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Finding the Fourth Proportional to 27,891.82, 41,838.52 and 8,170.39

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Solution

The fourth proportional to 27,891.82, 41,838.52 and 8,170.39 is: 12,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,891.82 : 41,838.52 = 8,170.39 : x
  2. Step 2: Convert to fraction form
    27,891.82/41,838.52 = 8,170.39/x
  3. Step 3: Cross multiply
    27,891.82x = 41,838.52 × 8,170.39
  4. Step 4: Simplify right side
    27,891.82x = 341,837,025.42
  5. Step 5: Solve for x
    x = 341,837,025.42/27,891.82
  6. Step 6: Final answer
    x = 12,255.82

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