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Finding the Fourth Proportional to 21,612.52, 32,326.62 and 13,272.04

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Solution

The fourth proportional to 21,612.52, 32,326.62 and 13,272.04 is: 19,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612.52 : 32,326.62 = 13,272.04 : x
  2. Step 2: Convert to fraction form
    21,612.52/32,326.62 = 13,272.04/x
  3. Step 3: Cross multiply
    21,612.52x = 32,326.62 × 13,272.04
  4. Step 4: Simplify right side
    21,612.52x = 429,040,193.70
  5. Step 5: Solve for x
    x = 429,040,193.70/21,612.52
  6. Step 6: Final answer
    x = 19,851.47

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