Home / 27,150.60-40,732.05-9,620.43

Finding the Fourth Proportional to 27,150.60, 40,732.05 and 9,620.43

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Solution

The fourth proportional to 27,150.60, 40,732.05 and 9,620.43 is: 14,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.60 : 40,732.05 = 9,620.43 : x
  2. Step 2: Convert to fraction form
    27,150.60/40,732.05 = 9,620.43/x
  3. Step 3: Cross multiply
    27,150.60x = 40,732.05 × 9,620.43
  4. Step 4: Simplify right side
    27,150.60x = 391,859,835.78
  5. Step 5: Solve for x
    x = 391,859,835.78/27,150.60
  6. Step 6: Final answer
    x = 14,432.82

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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.