Home / 38,108.80-57,139.20-15,937.60

Finding the Fourth Proportional to 38,108.80, 57,139.20 and 15,937.60

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Solution

The fourth proportional to 38,108.80, 57,139.20 and 15,937.60 is: 23,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,108.80 : 57,139.20 = 15,937.60 : x
  2. Step 2: Convert to fraction form
    38,108.80/57,139.20 = 15,937.60/x
  3. Step 3: Cross multiply
    38,108.80x = 57,139.20 × 15,937.60
  4. Step 4: Simplify right side
    38,108.80x = 910,661,713.92
  5. Step 5: Solve for x
    x = 910,661,713.92/38,108.80
  6. Step 6: Final answer
    x = 23,896.36

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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.