Question

The second , third and fourth terms of proportion are 27 , 35 and 63
Find the first term .
Please tell the answer fast
Please explain by step by step explanation ​

Answer 1

Answer:

Here is the answer:

Step-by-step explanation:

Let the terms be a, b, c, d

a=? b=27,c=35 and d=63.

as a+c=2b and b+c=2d(Sum of 1st and 3rd term =twice of the second term).

so a+35=2(27)

a+35=54

a=54-35

So a=19.

Therefore the first term of the progression is 19.

Answer 2

Answer:

19 will be Ur answer...