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Finding the Fourth Proportional to 27,510.90, 41,269.08 and 9,982.10

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Solution

The fourth proportional to 27,510.90, 41,269.08 and 9,982.10 is: 14,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,510.90 : 41,269.08 = 9,982.10 : x
  2. Step 2: Convert to fraction form
    27,510.90/41,269.08 = 9,982.10/x
  3. Step 3: Cross multiply
    27,510.90x = 41,269.08 × 9,982.10
  4. Step 4: Simplify right side
    27,510.90x = 411,951,914.56
  5. Step 5: Solve for x
    x = 411,951,914.56/27,510.90
  6. Step 6: Final answer
    x = 14,974.13

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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.