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Finding the Fourth Proportional to 27,127.80, 40,659.30 and 13,973.40

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Solution

The fourth proportional to 27,127.80, 40,659.30 and 13,973.40 is: 20,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.80 : 40,659.30 = 13,973.40 : x
  2. Step 2: Convert to fraction form
    27,127.80/40,659.30 = 13,973.40/x
  3. Step 3: Cross multiply
    27,127.80x = 40,659.30 × 13,973.40
  4. Step 4: Simplify right side
    27,127.80x = 568,148,662.62
  5. Step 5: Solve for x
    x = 568,148,662.62/27,127.80
  6. Step 6: Final answer
    x = 20,943.41

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