Home / 16,728.20-25,084.94-12,028.57

Finding the Fourth Proportional to 16,728.20, 25,084.94 and 12,028.57

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Solution

The fourth proportional to 16,728.20, 25,084.94 and 12,028.57 is: 18,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.20 : 25,084.94 = 12,028.57 : x
  2. Step 2: Convert to fraction form
    16,728.20/25,084.94 = 12,028.57/x
  3. Step 3: Cross multiply
    16,728.20x = 25,084.94 × 12,028.57
  4. Step 4: Simplify right side
    16,728.20x = 301,735,883.71
  5. Step 5: Solve for x
    x = 301,735,883.71/16,728.20
  6. Step 6: Final answer
    x = 18,037.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.