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Finding the Fourth Proportional to 32,793.75, 45,255.42 and 17,889.75

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Solution

The fourth proportional to 32,793.75, 45,255.42 and 17,889.75 is: 24,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,793.75 : 45,255.42 = 17,889.75 : x
  2. Step 2: Convert to fraction form
    32,793.75/45,255.42 = 17,889.75/x
  3. Step 3: Cross multiply
    32,793.75x = 45,255.42 × 17,889.75
  4. Step 4: Simplify right side
    32,793.75x = 809,608,149.95
  5. Step 5: Solve for x
    x = 809,608,149.95/32,793.75
  6. Step 6: Final answer
    x = 24,687.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.