Home / 26,379.52-39,572.40-16,519.61

Finding the Fourth Proportional to 26,379.52, 39,572.40 and 16,519.61

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Solution

The fourth proportional to 26,379.52, 39,572.40 and 16,519.61 is: 24,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.52 : 39,572.40 = 16,519.61 : x
  2. Step 2: Convert to fraction form
    26,379.52/39,572.40 = 16,519.61/x
  3. Step 3: Cross multiply
    26,379.52x = 39,572.40 × 16,519.61
  4. Step 4: Simplify right side
    26,379.52x = 653,720,775.64
  5. Step 5: Solve for x
    x = 653,720,775.64/26,379.52
  6. Step 6: Final answer
    x = 24,781.38

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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.