Home / 63,743.20-95,640.96-28,185.76

Finding the Fourth Proportional to 63,743.20, 95,640.96 and 28,185.76

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Solution

The fourth proportional to 63,743.20, 95,640.96 and 28,185.76 is: 42,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,743.20 : 95,640.96 = 28,185.76 : x
  2. Step 2: Convert to fraction form
    63,743.20/95,640.96 = 28,185.76/x
  3. Step 3: Cross multiply
    63,743.20x = 95,640.96 × 28,185.76
  4. Step 4: Simplify right side
    63,743.20x = 2,695,713,144.73
  5. Step 5: Solve for x
    x = 2,695,713,144.73/63,743.20
  6. Step 6: Final answer
    x = 42,290.21

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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.