Home / 20,818.85-31,233.27-6,028.79

Finding the Fourth Proportional to 20,818.85, 31,233.27 and 6,028.79

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Solution

The fourth proportional to 20,818.85, 31,233.27 and 6,028.79 is: 9,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,818.85 : 31,233.27 = 6,028.79 : x
  2. Step 2: Convert to fraction form
    20,818.85/31,233.27 = 6,028.79/x
  3. Step 3: Cross multiply
    20,818.85x = 31,233.27 × 6,028.79
  4. Step 4: Simplify right side
    20,818.85x = 188,298,669.68
  5. Step 5: Solve for x
    x = 188,298,669.68/20,818.85
  6. Step 6: Final answer
    x = 9,044.63

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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.