Home / 16,524.68-24,781.76-5,428.78

Finding the Fourth Proportional to 16,524.68, 24,781.76 and 5,428.78

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Solution

The fourth proportional to 16,524.68, 24,781.76 and 5,428.78 is: 8,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,524.68 : 24,781.76 = 5,428.78 : x
  2. Step 2: Convert to fraction form
    16,524.68/24,781.76 = 5,428.78/x
  3. Step 3: Cross multiply
    16,524.68x = 24,781.76 × 5,428.78
  4. Step 4: Simplify right side
    16,524.68x = 134,534,723.05
  5. Step 5: Solve for x
    x = 134,534,723.05/16,524.68
  6. Step 6: Final answer
    x = 8,141.44

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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.