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Finding the Fourth Proportional to 67,967.28, 101,951.28 and 21,216.24

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Solution

The fourth proportional to 67,967.28, 101,951.28 and 21,216.24 is: 31,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,967.28 : 101,951.28 = 21,216.24 : x
  2. Step 2: Convert to fraction form
    67,967.28/101,951.28 = 21,216.24/x
  3. Step 3: Cross multiply
    67,967.28x = 101,951.28 × 21,216.24
  4. Step 4: Simplify right side
    67,967.28x = 2,163,022,824.79
  5. Step 5: Solve for x
    x = 2,163,022,824.79/67,967.28
  6. Step 6: Final answer
    x = 31,824.47

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