Question

15 : 27 : : x : 45 *​

Answer 1

solution:-product of extreme terms = product of mean terms

now, extreme terms:- 15×45

mean terms:- 27× x

15×45= 675

now, to find x :- 27÷ 675

the answer will be 25

hence, x= 25

Answer 2

Given:

Consider the given ratio proportion

15 : 27 : : x : 45

Find:

The value of x

Solution:

If we have ratio proportion a : b : : c : d then

$\frac{a}{b}= \frac{c}{d}$

Therefore

$\frac{15}{27} = \frac{x}{45}$

$\frac{5}{9} =\frac{x}{45}$

9x = 45x5

x = 225/9

x=25