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Finding the Fourth Proportional to 26,944.20, 40,421.70 and 22,591.80

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Solution

The fourth proportional to 26,944.20, 40,421.70 and 22,591.80 is: 33,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,944.20 : 40,421.70 = 22,591.80 : x
  2. Step 2: Convert to fraction form
    26,944.20/40,421.70 = 22,591.80/x
  3. Step 3: Cross multiply
    26,944.20x = 40,421.70 × 22,591.80
  4. Step 4: Simplify right side
    26,944.20x = 913,198,962.06
  5. Step 5: Solve for x
    x = 913,198,962.06/26,944.20
  6. Step 6: Final answer
    x = 33,892.23

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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.