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Finding the Fourth Proportional to 27,934.29, 41,901.71 and 8,213.18

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Solution

The fourth proportional to 27,934.29, 41,901.71 and 8,213.18 is: 12,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,934.29 : 41,901.71 = 8,213.18 : x
  2. Step 2: Convert to fraction form
    27,934.29/41,901.71 = 8,213.18/x
  3. Step 3: Cross multiply
    27,934.29x = 41,901.71 × 8,213.18
  4. Step 4: Simplify right side
    27,934.29x = 344,146,035.96
  5. Step 5: Solve for x
    x = 344,146,035.96/27,934.29
  6. Step 6: Final answer
    x = 12,319.84

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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.