Home / 38,163.40-57,234.86-15,972.20

Finding the Fourth Proportional to 38,163.40, 57,234.86 and 15,972.20

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Solution

The fourth proportional to 38,163.40, 57,234.86 and 15,972.20 is: 23,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,163.40 : 57,234.86 = 15,972.20 : x
  2. Step 2: Convert to fraction form
    38,163.40/57,234.86 = 15,972.20/x
  3. Step 3: Cross multiply
    38,163.40x = 57,234.86 × 15,972.20
  4. Step 4: Simplify right side
    38,163.40x = 914,166,630.89
  5. Step 5: Solve for x
    x = 914,166,630.89/38,163.40
  6. Step 6: Final answer
    x = 23,954.01

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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.