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Finding the Fourth Proportional to 21,581.92, 32,371.80 and 5,999.68

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Solution

The fourth proportional to 21,581.92, 32,371.80 and 5,999.68 is: 8,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.92 : 32,371.80 = 5,999.68 : x
  2. Step 2: Convert to fraction form
    21,581.92/32,371.80 = 5,999.68/x
  3. Step 3: Cross multiply
    21,581.92x = 32,371.80 × 5,999.68
  4. Step 4: Simplify right side
    21,581.92x = 194,220,441.02
  5. Step 5: Solve for x
    x = 194,220,441.02/21,581.92
  6. Step 6: Final answer
    x = 8,999.22

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