Home / 27,803.20-41,711.28-8,082.13

Finding the Fourth Proportional to 27,803.20, 41,711.28 and 8,082.13

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Solution

The fourth proportional to 27,803.20, 41,711.28 and 8,082.13 is: 12,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.20 : 41,711.28 = 8,082.13 : x
  2. Step 2: Convert to fraction form
    27,803.20/41,711.28 = 8,082.13/x
  3. Step 3: Cross multiply
    27,803.20x = 41,711.28 × 8,082.13
  4. Step 4: Simplify right side
    27,803.20x = 337,115,987.43
  5. Step 5: Solve for x
    x = 337,115,987.43/27,803.20
  6. Step 6: Final answer
    x = 12,125.08

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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.