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Finding the Fourth Proportional to 53,806.88, 80,723.28 and 16,870.88

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Solution

The fourth proportional to 53,806.88, 80,723.28 and 16,870.88 is: 25,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,806.88 : 80,723.28 = 16,870.88 : x
  2. Step 2: Convert to fraction form
    53,806.88/80,723.28 = 16,870.88/x
  3. Step 3: Cross multiply
    53,806.88x = 80,723.28 × 16,870.88
  4. Step 4: Simplify right side
    53,806.88x = 1,361,872,770.09
  5. Step 5: Solve for x
    x = 1,361,872,770.09/53,806.88
  6. Step 6: Final answer
    x = 25,310.38

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