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Finding the Fourth Proportional to 67,216.40, 100,824.60 and 17,968.40

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Solution

The fourth proportional to 67,216.40, 100,824.60 and 17,968.40 is: 26,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,216.40 : 100,824.60 = 17,968.40 : x
  2. Step 2: Convert to fraction form
    67,216.40/100,824.60 = 17,968.40/x
  3. Step 3: Cross multiply
    67,216.40x = 100,824.60 × 17,968.40
  4. Step 4: Simplify right side
    67,216.40x = 1,811,656,742.64
  5. Step 5: Solve for x
    x = 1,811,656,742.64/67,216.40
  6. Step 6: Final answer
    x = 26,952.60

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