Home / 20,932.05-28,886.75-11,371.94

Finding the Fourth Proportional to 20,932.05, 28,886.75 and 11,371.94

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Solution

The fourth proportional to 20,932.05, 28,886.75 and 11,371.94 is: 15,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932.05 : 28,886.75 = 11,371.94 : x
  2. Step 2: Convert to fraction form
    20,932.05/28,886.75 = 11,371.94/x
  3. Step 3: Cross multiply
    20,932.05x = 28,886.75 × 11,371.94
  4. Step 4: Simplify right side
    20,932.05x = 328,498,387.80
  5. Step 5: Solve for x
    x = 328,498,387.80/20,932.05
  6. Step 6: Final answer
    x = 15,693.56

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