Home / 52,121.96-71,928.27-28,248.62

Finding the Fourth Proportional to 52,121.96, 71,928.27 and 28,248.62

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Solution

The fourth proportional to 52,121.96, 71,928.27 and 28,248.62 is: 38,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,121.96 : 71,928.27 = 28,248.62 : x
  2. Step 2: Convert to fraction form
    52,121.96/71,928.27 = 28,248.62/x
  3. Step 3: Cross multiply
    52,121.96x = 71,928.27 × 28,248.62
  4. Step 4: Simplify right side
    52,121.96x = 2,031,874,006.85
  5. Step 5: Solve for x
    x = 2,031,874,006.85/52,121.96
  6. Step 6: Final answer
    x = 38,983.07

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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.