Home / 43,789.20-60,425.62-28,657.89

Finding the Fourth Proportional to 43,789.20, 60,425.62 and 28,657.89

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Solution

The fourth proportional to 43,789.20, 60,425.62 and 28,657.89 is: 39,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,789.20 : 60,425.62 = 28,657.89 : x
  2. Step 2: Convert to fraction form
    43,789.20/60,425.62 = 28,657.89/x
  3. Step 3: Cross multiply
    43,789.20x = 60,425.62 × 28,657.89
  4. Step 4: Simplify right side
    43,789.20x = 1,731,670,699.50
  5. Step 5: Solve for x
    x = 1,731,670,699.50/43,789.20
  6. Step 6: Final answer
    x = 39,545.61

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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.