Home / 38,101.88-57,156.60-15,922.20

Finding the Fourth Proportional to 38,101.88, 57,156.60 and 15,922.20

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Solution

The fourth proportional to 38,101.88, 57,156.60 and 15,922.20 is: 23,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.88 : 57,156.60 = 15,922.20 : x
  2. Step 2: Convert to fraction form
    38,101.88/57,156.60 = 15,922.20/x
  3. Step 3: Cross multiply
    38,101.88x = 57,156.60 × 15,922.20
  4. Step 4: Simplify right side
    38,101.88x = 910,058,816.52
  5. Step 5: Solve for x
    x = 910,058,816.52/38,101.88
  6. Step 6: Final answer
    x = 23,884.88

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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.