Home / 38,138.43-57,207.66-10,436.43

Finding the Fourth Proportional to 38,138.43, 57,207.66 and 10,436.43

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Solution

The fourth proportional to 38,138.43, 57,207.66 and 10,436.43 is: 15,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,138.43 : 57,207.66 = 10,436.43 : x
  2. Step 2: Convert to fraction form
    38,138.43/57,207.66 = 10,436.43/x
  3. Step 3: Cross multiply
    38,138.43x = 57,207.66 × 10,436.43
  4. Step 4: Simplify right side
    38,138.43x = 597,043,739.05
  5. Step 5: Solve for x
    x = 597,043,739.05/38,138.43
  6. Step 6: Final answer
    x = 15,654.65

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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.