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Finding the Fourth Proportional to 55,229.60, 82,858.20 and 17,793.20

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Solution

The fourth proportional to 55,229.60, 82,858.20 and 17,793.20 is: 26,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,229.60 : 82,858.20 = 17,793.20 : x
  2. Step 2: Convert to fraction form
    55,229.60/82,858.20 = 17,793.20/x
  3. Step 3: Cross multiply
    55,229.60x = 82,858.20 × 17,793.20
  4. Step 4: Simplify right side
    55,229.60x = 1,474,312,524.24
  5. Step 5: Solve for x
    x = 1,474,312,524.24/55,229.60
  6. Step 6: Final answer
    x = 26,694.25

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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.