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Finding the Fourth Proportional to 27,490.57, 41,239.89 and 9,956.29

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Solution

The fourth proportional to 27,490.57, 41,239.89 and 9,956.29 is: 14,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.57 : 41,239.89 = 9,956.29 : x
  2. Step 2: Convert to fraction form
    27,490.57/41,239.89 = 9,956.29/x
  3. Step 3: Cross multiply
    27,490.57x = 41,239.89 × 9,956.29
  4. Step 4: Simplify right side
    27,490.57x = 410,596,304.41
  5. Step 5: Solve for x
    x = 410,596,304.41/27,490.57
  6. Step 6: Final answer
    x = 14,935.90

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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.