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Finding the Fourth Proportional to 63,830.80, 95,789.40 and 28,752.40

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Solution

The fourth proportional to 63,830.80, 95,789.40 and 28,752.40 is: 43,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,830.80 : 95,789.40 = 28,752.40 : x
  2. Step 2: Convert to fraction form
    63,830.80/95,789.40 = 28,752.40/x
  3. Step 3: Cross multiply
    63,830.80x = 95,789.40 × 28,752.40
  4. Step 4: Simplify right side
    63,830.80x = 2,754,175,144.56
  5. Step 5: Solve for x
    x = 2,754,175,144.56/63,830.80
  6. Step 6: Final answer
    x = 43,148.06

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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.