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Finding the Fourth Proportional to 21,932.97, 32,899.86 and 7,141.83

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Solution

The fourth proportional to 21,932.97, 32,899.86 and 7,141.83 is: 10,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.97 : 32,899.86 = 7,141.83 : x
  2. Step 2: Convert to fraction form
    21,932.97/32,899.86 = 7,141.83/x
  3. Step 3: Cross multiply
    21,932.97x = 32,899.86 × 7,141.83
  4. Step 4: Simplify right side
    21,932.97x = 234,965,207.14
  5. Step 5: Solve for x
    x = 234,965,207.14/21,932.97
  6. Step 6: Final answer
    x = 10,712.88

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