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Finding the Fourth Proportional to 27,279.20, 40,861.20 and 22,671.20

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Solution

The fourth proportional to 27,279.20, 40,861.20 and 22,671.20 is: 33,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.20 : 40,861.20 = 22,671.20 : x
  2. Step 2: Convert to fraction form
    27,279.20/40,861.20 = 22,671.20/x
  3. Step 3: Cross multiply
    27,279.20x = 40,861.20 × 22,671.20
  4. Step 4: Simplify right side
    27,279.20x = 926,372,437.44
  5. Step 5: Solve for x
    x = 926,372,437.44/27,279.20
  6. Step 6: Final answer
    x = 33,958.93

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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.