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Finding the Fourth Proportional to 27,115.29, 40,684.90 and 9,348.65

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Solution

The fourth proportional to 27,115.29, 40,684.90 and 9,348.65 is: 14,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.29 : 40,684.90 = 9,348.65 : x
  2. Step 2: Convert to fraction form
    27,115.29/40,684.90 = 9,348.65/x
  3. Step 3: Cross multiply
    27,115.29x = 40,684.90 × 9,348.65
  4. Step 4: Simplify right side
    27,115.29x = 380,348,833.69
  5. Step 5: Solve for x
    x = 380,348,833.69/27,115.29
  6. Step 6: Final answer
    x = 14,027.10

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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.