Home / 38,462.20-57,725.70-15,105.40

Finding the Fourth Proportional to 38,462.20, 57,725.70 and 15,105.40

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Solution

The fourth proportional to 38,462.20, 57,725.70 and 15,105.40 is: 22,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,462.20 : 57,725.70 = 15,105.40 : x
  2. Step 2: Convert to fraction form
    38,462.20/57,725.70 = 15,105.40/x
  3. Step 3: Cross multiply
    38,462.20x = 57,725.70 × 15,105.40
  4. Step 4: Simplify right side
    38,462.20x = 871,969,788.78
  5. Step 5: Solve for x
    x = 871,969,788.78/38,462.20
  6. Step 6: Final answer
    x = 22,670.82

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