Home / 38,462.88-57,689.65-10,380.79

Finding the Fourth Proportional to 38,462.88, 57,689.65 and 10,380.79

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Solution

The fourth proportional to 38,462.88, 57,689.65 and 10,380.79 is: 15,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,462.88 : 57,689.65 = 10,380.79 : x
  2. Step 2: Convert to fraction form
    38,462.88/57,689.65 = 10,380.79/x
  3. Step 3: Cross multiply
    38,462.88x = 57,689.65 × 10,380.79
  4. Step 4: Simplify right side
    38,462.88x = 598,863,801.47
  5. Step 5: Solve for x
    x = 598,863,801.47/38,462.88
  6. Step 6: Final answer
    x = 15,569.92

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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.