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Finding the Fourth Proportional to 18,029.79, 27,045.90 and 6,932.79

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Solution

The fourth proportional to 18,029.79, 27,045.90 and 6,932.79 is: 10,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.79 : 27,045.90 = 6,932.79 : x
  2. Step 2: Convert to fraction form
    18,029.79/27,045.90 = 6,932.79/x
  3. Step 3: Cross multiply
    18,029.79x = 27,045.90 × 6,932.79
  4. Step 4: Simplify right side
    18,029.79x = 187,503,545.06
  5. Step 5: Solve for x
    x = 187,503,545.06/18,029.79
  6. Step 6: Final answer
    x = 10,399.65

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