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Finding the Fourth Proportional to 27,147.05, 40,695.51 and 18,830.98

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Solution

The fourth proportional to 27,147.05, 40,695.51 and 18,830.98 is: 28,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.05 : 40,695.51 = 18,830.98 : x
  2. Step 2: Convert to fraction form
    27,147.05/40,695.51 = 18,830.98/x
  3. Step 3: Cross multiply
    27,147.05x = 40,695.51 × 18,830.98
  4. Step 4: Simplify right side
    27,147.05x = 766,336,456.39
  5. Step 5: Solve for x
    x = 766,336,456.39/27,147.05
  6. Step 6: Final answer
    x = 28,229.09

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