Home / 23,928.12-33,021.72-13,318.92

Finding the Fourth Proportional to 23,928.12, 33,021.72 and 13,318.92

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Solution

The fourth proportional to 23,928.12, 33,021.72 and 13,318.92 is: 18,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,928.12 : 33,021.72 = 13,318.92 : x
  2. Step 2: Convert to fraction form
    23,928.12/33,021.72 = 13,318.92/x
  3. Step 3: Cross multiply
    23,928.12x = 33,021.72 × 13,318.92
  4. Step 4: Simplify right side
    23,928.12x = 439,813,646.94
  5. Step 5: Solve for x
    x = 439,813,646.94/23,928.12
  6. Step 6: Final answer
    x = 18,380.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.