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Finding the Fourth Proportional to 38,151.76, 57,234.92 and 11,855.52

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Solution

The fourth proportional to 38,151.76, 57,234.92 and 11,855.52 is: 17,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,151.76 : 57,234.92 = 11,855.52 : x
  2. Step 2: Convert to fraction form
    38,151.76/57,234.92 = 11,855.52/x
  3. Step 3: Cross multiply
    38,151.76x = 57,234.92 × 11,855.52
  4. Step 4: Simplify right side
    38,151.76x = 678,549,738.76
  5. Step 5: Solve for x
    x = 678,549,738.76/38,151.76
  6. Step 6: Final answer
    x = 17,785.54

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