Home / 87,829.80-131,699.88-28,627.44

Finding the Fourth Proportional to 87,829.80, 131,699.88 and 28,627.44

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Solution

The fourth proportional to 87,829.80, 131,699.88 and 28,627.44 is: 42,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,829.80 : 131,699.88 = 28,627.44 : x
  2. Step 2: Convert to fraction form
    87,829.80/131,699.88 = 28,627.44/x
  3. Step 3: Cross multiply
    87,829.80x = 131,699.88 × 28,627.44
  4. Step 4: Simplify right side
    87,829.80x = 3,770,230,412.71
  5. Step 5: Solve for x
    x = 3,770,230,412.71/87,829.80
  6. Step 6: Final answer
    x = 42,926.55

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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.