Home / 52,379.76-72,282.68-28,505.92

Finding the Fourth Proportional to 52,379.76, 72,282.68 and 28,505.92

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Solution

The fourth proportional to 52,379.76, 72,282.68 and 28,505.92 is: 39,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,379.76 : 72,282.68 = 28,505.92 : x
  2. Step 2: Convert to fraction form
    52,379.76/72,282.68 = 28,505.92/x
  3. Step 3: Cross multiply
    52,379.76x = 72,282.68 × 28,505.92
  4. Step 4: Simplify right side
    52,379.76x = 2,060,483,789.52
  5. Step 5: Solve for x
    x = 2,060,483,789.52/52,379.76
  6. Step 6: Final answer
    x = 39,337.41

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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.