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Finding the Fourth Proportional to 17,095.61, 25,640.85 and 5,407.31

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Solution

The fourth proportional to 17,095.61, 25,640.85 and 5,407.31 is: 8,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,095.61 : 25,640.85 = 5,407.31 : x
  2. Step 2: Convert to fraction form
    17,095.61/25,640.85 = 5,407.31/x
  3. Step 3: Cross multiply
    17,095.61x = 25,640.85 × 5,407.31
  4. Step 4: Simplify right side
    17,095.61x = 138,648,108.99
  5. Step 5: Solve for x
    x = 138,648,108.99/17,095.61
  6. Step 6: Final answer
    x = 8,110.16

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