Home / 24,428.60-36,642.90-12,740.30

Finding the Fourth Proportional to 24,428.60, 36,642.90 and 12,740.30

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Solution

The fourth proportional to 24,428.60, 36,642.90 and 12,740.30 is: 19,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,428.60 : 36,642.90 = 12,740.30 : x
  2. Step 2: Convert to fraction form
    24,428.60/36,642.90 = 12,740.30/x
  3. Step 3: Cross multiply
    24,428.60x = 36,642.90 × 12,740.30
  4. Step 4: Simplify right side
    24,428.60x = 466,841,538.87
  5. Step 5: Solve for x
    x = 466,841,538.87/24,428.60
  6. Step 6: Final answer
    x = 19,110.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.