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Finding the Fourth Proportional to 28,928.52, 43,363.23 and 16,422.12

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Solution

The fourth proportional to 28,928.52, 43,363.23 and 16,422.12 is: 24,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.52 : 43,363.23 = 16,422.12 : x
  2. Step 2: Convert to fraction form
    28,928.52/43,363.23 = 16,422.12/x
  3. Step 3: Cross multiply
    28,928.52x = 43,363.23 × 16,422.12
  4. Step 4: Simplify right side
    28,928.52x = 712,116,166.65
  5. Step 5: Solve for x
    x = 712,116,166.65/28,928.52
  6. Step 6: Final answer
    x = 24,616.41

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