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Finding the Fourth Proportional to 21,636.48, 32,458.73 and 6,849.12

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Solution

The fourth proportional to 21,636.48, 32,458.73 and 6,849.12 is: 10,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,636.48 : 32,458.73 = 6,849.12 : x
  2. Step 2: Convert to fraction form
    21,636.48/32,458.73 = 6,849.12/x
  3. Step 3: Cross multiply
    21,636.48x = 32,458.73 × 6,849.12
  4. Step 4: Simplify right side
    21,636.48x = 222,313,702.57
  5. Step 5: Solve for x
    x = 222,313,702.57/21,636.48
  6. Step 6: Final answer
    x = 10,274.95

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