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Finding the Fourth Proportional to 27,082.48, 40,623.72 and 11,513.20

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Solution

The fourth proportional to 27,082.48, 40,623.72 and 11,513.20 is: 17,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,082.48 : 40,623.72 = 11,513.20 : x
  2. Step 2: Convert to fraction form
    27,082.48/40,623.72 = 11,513.20/x
  3. Step 3: Cross multiply
    27,082.48x = 40,623.72 × 11,513.20
  4. Step 4: Simplify right side
    27,082.48x = 467,709,013.10
  5. Step 5: Solve for x
    x = 467,709,013.10/27,082.48
  6. Step 6: Final answer
    x = 17,269.80

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