Home / 38,478.72-57,713.60-10,397.44

Finding the Fourth Proportional to 38,478.72, 57,713.60 and 10,397.44

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Solution

The fourth proportional to 38,478.72, 57,713.60 and 10,397.44 is: 15,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,478.72 : 57,713.60 = 10,397.44 : x
  2. Step 2: Convert to fraction form
    38,478.72/57,713.60 = 10,397.44/x
  3. Step 3: Cross multiply
    38,478.72x = 57,713.60 × 10,397.44
  4. Step 4: Simplify right side
    38,478.72x = 600,073,693.18
  5. Step 5: Solve for x
    x = 600,073,693.18/38,478.72
  6. Step 6: Final answer
    x = 15,594.95

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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.