Home / 17,125.92-25,695.60-5,440.80

Finding the Fourth Proportional to 17,125.92, 25,695.60 and 5,440.80

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Solution

The fourth proportional to 17,125.92, 25,695.60 and 5,440.80 is: 8,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.92 : 25,695.60 = 5,440.80 : x
  2. Step 2: Convert to fraction form
    17,125.92/25,695.60 = 5,440.80/x
  3. Step 3: Cross multiply
    17,125.92x = 25,695.60 × 5,440.80
  4. Step 4: Simplify right side
    17,125.92x = 139,804,620.48
  5. Step 5: Solve for x
    x = 139,804,620.48/17,125.92
  6. Step 6: Final answer
    x = 8,163.33

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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.