Home / 28,672.60-42,887.40-25,732.30

Finding the Fourth Proportional to 28,672.60, 42,887.40 and 25,732.30

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Solution

The fourth proportional to 28,672.60, 42,887.40 and 25,732.30 is: 38,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672.60 : 42,887.40 = 25,732.30 : x
  2. Step 2: Convert to fraction form
    28,672.60/42,887.40 = 25,732.30/x
  3. Step 3: Cross multiply
    28,672.60x = 42,887.40 × 25,732.30
  4. Step 4: Simplify right side
    28,672.60x = 1,103,591,443.02
  5. Step 5: Solve for x
    x = 1,103,591,443.02/28,672.60
  6. Step 6: Final answer
    x = 38,489.41

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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.