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Finding the Fourth Proportional to 28,482.40, 42,723.60 and 16,194.40

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Solution

The fourth proportional to 28,482.40, 42,723.60 and 16,194.40 is: 24,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482.40 : 42,723.60 = 16,194.40 : x
  2. Step 2: Convert to fraction form
    28,482.40/42,723.60 = 16,194.40/x
  3. Step 3: Cross multiply
    28,482.40x = 42,723.60 × 16,194.40
  4. Step 4: Simplify right side
    28,482.40x = 691,883,067.84
  5. Step 5: Solve for x
    x = 691,883,067.84/28,482.40
  6. Step 6: Final answer
    x = 24,291.60

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