Home / 38,131.48-57,190.18-15,938.90

Finding the Fourth Proportional to 38,131.48, 57,190.18 and 15,938.90

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Solution

The fourth proportional to 38,131.48, 57,190.18 and 15,938.90 is: 23,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131.48 : 57,190.18 = 15,938.90 : x
  2. Step 2: Convert to fraction form
    38,131.48/57,190.18 = 15,938.90/x
  3. Step 3: Cross multiply
    38,131.48x = 57,190.18 × 15,938.90
  4. Step 4: Simplify right side
    38,131.48x = 911,548,560.00
  5. Step 5: Solve for x
    x = 911,548,560.00/38,131.48
  6. Step 6: Final answer
    x = 23,905.41

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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.