Question

The first, third and fourth terms of a proportion are 18, 27 and 36 respectively. Find the second term.

Answer 1

Answer: 18:27::X:36

18×36=27×X

648÷27

=24

Step-by-step explanation:

Answer 2

Answer:

Let the 2nd term of the proportion be ${x}$

Then,

${18 : x :: 27 : 36}$

Product of means = Product of extremes

$→x × 27 = 18 × 36$

$x = \frac{18 \times 36}{27} = 24$

Hence, the second term of the given proportion is 24.