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Finding the Fourth Proportional to 27,635.52, 41,422.50 and 10,991.10

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Solution

The fourth proportional to 27,635.52, 41,422.50 and 10,991.10 is: 16,474.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.52 : 41,422.50 = 10,991.10 : x
  2. Step 2: Convert to fraction form
    27,635.52/41,422.50 = 10,991.10/x
  3. Step 3: Cross multiply
    27,635.52x = 41,422.50 × 10,991.10
  4. Step 4: Simplify right side
    27,635.52x = 455,278,839.75
  5. Step 5: Solve for x
    x = 455,278,839.75/27,635.52
  6. Step 6: Final answer
    x = 16,474.41

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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.