Question

Are 25,15,6,5 in proportion ?​

Answer 1

Answer:

32, 48, 140, 210

32 : 48 = 32/48 = 2/3 = 2 : 3

140 : 210 = 140/210 = 2/3 = 2 : 3

So, 32 : 48 = 140 : 210

Therefore, 32, 48, 140, 210 are in proportion.

i.e., 32 : 48 :: 140 : 210

Answer 2

No 25 , 15 , 6 , 5 are not in proportion

Given :

Four numbers 25 , 15 , 6 , 5

To find :

To check whether they are in proportion

Solution :

Step 1 of 3 :

Write down the given numbers

The given numbers are 25 , 15 , 6 , 5

Step 2 of 3 :

Write down the condition for proportion

Four given numbers a , b , c , d are said to be in proportion if product of extreme terms = product of middle terms

That is , a × d = b × c

Step 3 of 3 :

Check whether 25 , 15 , 6 , 5 are in proportion

Extreme terms are 25 & 5

Middle terms are 15 & 6

Product of extreme terms = 25 × 5 = 125

Product of middle terms = 15 × 6 = 90

Thus we observe that

Product of extreme terms ≠ Product of middle terms

Hence we can conclude that 25 , 15 , 6 , 5 are not in proportion

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