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Finding the Fourth Proportional to 27,978.73, 41,953.84 and 13,748.15

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Solution

The fourth proportional to 27,978.73, 41,953.84 and 13,748.15 is: 20,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,978.73 : 41,953.84 = 13,748.15 : x
  2. Step 2: Convert to fraction form
    27,978.73/41,953.84 = 13,748.15/x
  3. Step 3: Cross multiply
    27,978.73x = 41,953.84 × 13,748.15
  4. Step 4: Simplify right side
    27,978.73x = 576,787,651.47
  5. Step 5: Solve for x
    x = 576,787,651.47/27,978.73
  6. Step 6: Final answer
    x = 20,615.22

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