Home / 16,728.30-25,104.60-13,480.60

Finding the Fourth Proportional to 16,728.30, 25,104.60 and 13,480.60

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Solution

The fourth proportional to 16,728.30, 25,104.60 and 13,480.60 is: 20,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.30 : 25,104.60 = 13,480.60 : x
  2. Step 2: Convert to fraction form
    16,728.30/25,104.60 = 13,480.60/x
  3. Step 3: Cross multiply
    16,728.30x = 25,104.60 × 13,480.60
  4. Step 4: Simplify right side
    16,728.30x = 338,425,070.76
  5. Step 5: Solve for x
    x = 338,425,070.76/16,728.30
  6. Step 6: Final answer
    x = 20,230.69

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1.5x scale

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.