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Finding the Fourth Proportional to 23,531.52, 32,473.80 and 12,920.88

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Solution

The fourth proportional to 23,531.52, 32,473.80 and 12,920.88 is: 17,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,531.52 : 32,473.80 = 12,920.88 : x
  2. Step 2: Convert to fraction form
    23,531.52/32,473.80 = 12,920.88/x
  3. Step 3: Cross multiply
    23,531.52x = 32,473.80 × 12,920.88
  4. Step 4: Simplify right side
    23,531.52x = 419,590,072.94
  5. Step 5: Solve for x
    x = 419,590,072.94/23,531.52
  6. Step 6: Final answer
    x = 17,830.98

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