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Finding the Fourth Proportional to 21,712.08, 32,572.44 and 6,920.52

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Solution

The fourth proportional to 21,712.08, 32,572.44 and 6,920.52 is: 10,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712.08 : 32,572.44 = 6,920.52 : x
  2. Step 2: Convert to fraction form
    21,712.08/32,572.44 = 6,920.52/x
  3. Step 3: Cross multiply
    21,712.08x = 32,572.44 × 6,920.52
  4. Step 4: Simplify right side
    21,712.08x = 225,418,222.47
  5. Step 5: Solve for x
    x = 225,418,222.47/21,712.08
  6. Step 6: Final answer
    x = 10,382.16

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