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Finding the Fourth Proportional to 27,204.30, 40,806.71 and 8,229.09

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Solution

The fourth proportional to 27,204.30, 40,806.71 and 8,229.09 is: 12,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,204.30 : 40,806.71 = 8,229.09 : x
  2. Step 2: Convert to fraction form
    27,204.30/40,806.71 = 8,229.09/x
  3. Step 3: Cross multiply
    27,204.30x = 40,806.71 × 8,229.09
  4. Step 4: Simplify right side
    27,204.30x = 335,801,905.73
  5. Step 5: Solve for x
    x = 335,801,905.73/27,204.30
  6. Step 6: Final answer
    x = 12,343.71

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1.5x scale

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.