Home / 20,818.35-31,231.63-6,027.39

Finding the Fourth Proportional to 20,818.35, 31,231.63 and 6,027.39

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Solution

The fourth proportional to 20,818.35, 31,231.63 and 6,027.39 is: 9,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,818.35 : 31,231.63 = 6,027.39 : x
  2. Step 2: Convert to fraction form
    20,818.35/31,231.63 = 6,027.39/x
  3. Step 3: Cross multiply
    20,818.35x = 31,231.63 × 6,027.39
  4. Step 4: Simplify right side
    20,818.35x = 188,245,221.88
  5. Step 5: Solve for x
    x = 188,245,221.88/20,818.35
  6. Step 6: Final answer
    x = 9,042.27

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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.