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Finding the Fourth Proportional to 17,221.22, 25,785.55 and 10,947.22

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Solution

The fourth proportional to 17,221.22, 25,785.55 and 10,947.22 is: 16,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.22 : 25,785.55 = 10,947.22 : x
  2. Step 2: Convert to fraction form
    17,221.22/25,785.55 = 10,947.22/x
  3. Step 3: Cross multiply
    17,221.22x = 25,785.55 × 10,947.22
  4. Step 4: Simplify right side
    17,221.22x = 282,280,088.67
  5. Step 5: Solve for x
    x = 282,280,088.67/17,221.22
  6. Step 6: Final answer
    x = 16,391.41

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