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Finding the Fourth Proportional to 17,881.53, 26,824.81 and 5,400.14

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Solution

The fourth proportional to 17,881.53, 26,824.81 and 5,400.14 is: 8,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.53 : 26,824.81 = 5,400.14 : x
  2. Step 2: Convert to fraction form
    17,881.53/26,824.81 = 5,400.14/x
  3. Step 3: Cross multiply
    17,881.53x = 26,824.81 × 5,400.14
  4. Step 4: Simplify right side
    17,881.53x = 144,857,729.47
  5. Step 5: Solve for x
    x = 144,857,729.47/17,881.53
  6. Step 6: Final answer
    x = 8,100.97

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