Home / 17,086.30-25,629.45-15,919.90

Finding the Fourth Proportional to 17,086.30, 25,629.45 and 15,919.90

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Solution

The fourth proportional to 17,086.30, 25,629.45 and 15,919.90 is: 23,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.30 : 25,629.45 = 15,919.90 : x
  2. Step 2: Convert to fraction form
    17,086.30/25,629.45 = 15,919.90/x
  3. Step 3: Cross multiply
    17,086.30x = 25,629.45 × 15,919.90
  4. Step 4: Simplify right side
    17,086.30x = 408,018,281.06
  5. Step 5: Solve for x
    x = 408,018,281.06/17,086.30
  6. Step 6: Final answer
    x = 23,879.85

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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.