Home / 17,072.60-25,560.30-15,128.60

Finding the Fourth Proportional to 17,072.60, 25,560.30 and 15,128.60

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Solution

The fourth proportional to 17,072.60, 25,560.30 and 15,128.60 is: 22,649.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072.60 : 25,560.30 = 15,128.60 : x
  2. Step 2: Convert to fraction form
    17,072.60/25,560.30 = 15,128.60/x
  3. Step 3: Cross multiply
    17,072.60x = 25,560.30 × 15,128.60
  4. Step 4: Simplify right side
    17,072.60x = 386,691,554.58
  5. Step 5: Solve for x
    x = 386,691,554.58/17,072.60
  6. Step 6: Final answer
    x = 22,649.83

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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.