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Finding the Fourth Proportional to 19,940.61, 27,513.63 and 11,552.25

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Solution

The fourth proportional to 19,940.61, 27,513.63 and 11,552.25 is: 15,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.61 : 27,513.63 = 11,552.25 : x
  2. Step 2: Convert to fraction form
    19,940.61/27,513.63 = 11,552.25/x
  3. Step 3: Cross multiply
    19,940.61x = 27,513.63 × 11,552.25
  4. Step 4: Simplify right side
    19,940.61x = 317,844,332.17
  5. Step 5: Solve for x
    x = 317,844,332.17/19,940.61
  6. Step 6: Final answer
    x = 15,939.55

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