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Finding the Fourth Proportional to 27,310.30, 40,978.83 and 9,781.48

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Solution

The fourth proportional to 27,310.30, 40,978.83 and 9,781.48 is: 14,677.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.30 : 40,978.83 = 9,781.48 : x
  2. Step 2: Convert to fraction form
    27,310.30/40,978.83 = 9,781.48/x
  3. Step 3: Cross multiply
    27,310.30x = 40,978.83 × 9,781.48
  4. Step 4: Simplify right side
    27,310.30x = 400,833,606.07
  5. Step 5: Solve for x
    x = 400,833,606.07/27,310.30
  6. Step 6: Final answer
    x = 14,677.01

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