Home / 52,809.20-72,876.69-28,936.73

Finding the Fourth Proportional to 52,809.20, 72,876.69 and 28,936.73

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Solution

The fourth proportional to 52,809.20, 72,876.69 and 28,936.73 is: 39,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,809.20 : 72,876.69 = 28,936.73 : x
  2. Step 2: Convert to fraction form
    52,809.20/72,876.69 = 28,936.73/x
  3. Step 3: Cross multiply
    52,809.20x = 72,876.69 × 28,936.73
  4. Step 4: Simplify right side
    52,809.20x = 2,108,812,737.44
  5. Step 5: Solve for x
    x = 2,108,812,737.44/52,809.20
  6. Step 6: Final answer
    x = 39,932.68

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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.