Home / 52,721.60-72,757.44-28,849.28

Finding the Fourth Proportional to 52,721.60, 72,757.44 and 28,849.28

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Solution

The fourth proportional to 52,721.60, 72,757.44 and 28,849.28 is: 39,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,721.60 : 72,757.44 = 28,849.28 : x
  2. Step 2: Convert to fraction form
    52,721.60/72,757.44 = 28,849.28/x
  3. Step 3: Cross multiply
    52,721.60x = 72,757.44 × 28,849.28
  4. Step 4: Simplify right side
    52,721.60x = 2,098,999,758.64
  5. Step 5: Solve for x
    x = 2,098,999,758.64/52,721.60
  6. Step 6: Final answer
    x = 39,812.90

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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.