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Finding the Fourth Proportional to 15,987.79, 23,981.73 and 5,597.11

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Solution

The fourth proportional to 15,987.79, 23,981.73 and 5,597.11 is: 8,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.79 : 23,981.73 = 5,597.11 : x
  2. Step 2: Convert to fraction form
    15,987.79/23,981.73 = 5,597.11/x
  3. Step 3: Cross multiply
    15,987.79x = 23,981.73 × 5,597.11
  4. Step 4: Simplify right side
    15,987.79x = 134,228,380.80
  5. Step 5: Solve for x
    x = 134,228,380.80/15,987.79
  6. Step 6: Final answer
    x = 8,395.68

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