Home / 17,085.20-25,625.64-5,399.60

Finding the Fourth Proportional to 17,085.20, 25,625.64 and 5,399.60

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Solution

The fourth proportional to 17,085.20, 25,625.64 and 5,399.60 is: 8,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,085.20 : 25,625.64 = 5,399.60 : x
  2. Step 2: Convert to fraction form
    17,085.20/25,625.64 = 5,399.60/x
  3. Step 3: Cross multiply
    17,085.20x = 25,625.64 × 5,399.60
  4. Step 4: Simplify right side
    17,085.20x = 138,368,205.74
  5. Step 5: Solve for x
    x = 138,368,205.74/17,085.20
  6. Step 6: Final answer
    x = 8,098.72

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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.