Home / 38,153.43-57,208.62-15,657.90

Finding the Fourth Proportional to 38,153.43, 57,208.62 and 15,657.90

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Solution

The fourth proportional to 38,153.43, 57,208.62 and 15,657.90 is: 23,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,153.43 : 57,208.62 = 15,657.90 : x
  2. Step 2: Convert to fraction form
    38,153.43/57,208.62 = 15,657.90/x
  3. Step 3: Cross multiply
    38,153.43x = 57,208.62 × 15,657.90
  4. Step 4: Simplify right side
    38,153.43x = 895,766,851.10
  5. Step 5: Solve for x
    x = 895,766,851.10/38,153.43
  6. Step 6: Final answer
    x = 23,478.02

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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.