Home / 25,751.79-35,538.35-15,142.41

Finding the Fourth Proportional to 25,751.79, 35,538.35 and 15,142.41

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Solution

The fourth proportional to 25,751.79, 35,538.35 and 15,142.41 is: 20,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.79 : 35,538.35 = 15,142.41 : x
  2. Step 2: Convert to fraction form
    25,751.79/35,538.35 = 15,142.41/x
  3. Step 3: Cross multiply
    25,751.79x = 35,538.35 × 15,142.41
  4. Step 4: Simplify right side
    25,751.79x = 538,136,190.71
  5. Step 5: Solve for x
    x = 538,136,190.71/25,751.79
  6. Step 6: Final answer
    x = 20,897.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.