Home / 26,377.12-39,551.28-10,781.92

Finding the Fourth Proportional to 26,377.12, 39,551.28 and 10,781.92

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Solution

The fourth proportional to 26,377.12, 39,551.28 and 10,781.92 is: 16,166.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,377.12 : 39,551.28 = 10,781.92 : x
  2. Step 2: Convert to fraction form
    26,377.12/39,551.28 = 10,781.92/x
  3. Step 3: Cross multiply
    26,377.12x = 39,551.28 × 10,781.92
  4. Step 4: Simplify right side
    26,377.12x = 426,438,736.86
  5. Step 5: Solve for x
    x = 426,438,736.86/26,377.12
  6. Step 6: Final answer
    x = 16,166.99

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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.