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Finding the Fourth Proportional to 19,542.75, 26,969.00 and 11,159.25

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Solution

The fourth proportional to 19,542.75, 26,969.00 and 11,159.25 is: 15,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.75 : 26,969.00 = 11,159.25 : x
  2. Step 2: Convert to fraction form
    19,542.75/26,969.00 = 11,159.25/x
  3. Step 3: Cross multiply
    19,542.75x = 26,969.00 × 11,159.25
  4. Step 4: Simplify right side
    19,542.75x = 300,953,757.45
  5. Step 5: Solve for x
    x = 300,953,757.45/19,542.75
  6. Step 6: Final answer
    x = 15,399.77

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