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Finding the Fourth Proportional to 20,101.83, 27,717.90 and 12,824.25

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Solution

The fourth proportional to 20,101.83, 27,717.90 and 12,824.25 is: 17,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.83 : 27,717.90 = 12,824.25 : x
  2. Step 2: Convert to fraction form
    20,101.83/27,717.90 = 12,824.25/x
  3. Step 3: Cross multiply
    20,101.83x = 27,717.90 × 12,824.25
  4. Step 4: Simplify right side
    20,101.83x = 355,461,279.08
  5. Step 5: Solve for x
    x = 355,461,279.08/20,101.83
  6. Step 6: Final answer
    x = 17,683.03

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