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Finding the Fourth Proportional to 21,521.79, 32,284.55 and 5,939.42

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Solution

The fourth proportional to 21,521.79, 32,284.55 and 5,939.42 is: 8,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521.79 : 32,284.55 = 5,939.42 : x
  2. Step 2: Convert to fraction form
    21,521.79/32,284.55 = 5,939.42/x
  3. Step 3: Cross multiply
    21,521.79x = 32,284.55 × 5,939.42
  4. Step 4: Simplify right side
    21,521.79x = 191,751,310.84
  5. Step 5: Solve for x
    x = 191,751,310.84/21,521.79
  6. Step 6: Final answer
    x = 8,909.64

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