Home / 38,143.82-57,231.46-16,785.56

Finding the Fourth Proportional to 38,143.82, 57,231.46 and 16,785.56

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Solution

The fourth proportional to 38,143.82, 57,231.46 and 16,785.56 is: 25,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.82 : 57,231.46 = 16,785.56 : x
  2. Step 2: Convert to fraction form
    38,143.82/57,231.46 = 16,785.56/x
  3. Step 3: Cross multiply
    38,143.82x = 57,231.46 × 16,785.56
  4. Step 4: Simplify right side
    38,143.82x = 960,662,105.72
  5. Step 5: Solve for x
    x = 960,662,105.72/38,143.82
  6. Step 6: Final answer
    x = 25,185.26

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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.