Home / 20,028.06-30,023.73-6,877.44

Finding the Fourth Proportional to 20,028.06, 30,023.73 and 6,877.44

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Solution

The fourth proportional to 20,028.06, 30,023.73 and 6,877.44 is: 10,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.06 : 30,023.73 = 6,877.44 : x
  2. Step 2: Convert to fraction form
    20,028.06/30,023.73 = 6,877.44/x
  3. Step 3: Cross multiply
    20,028.06x = 30,023.73 × 6,877.44
  4. Step 4: Simplify right side
    20,028.06x = 206,486,401.65
  5. Step 5: Solve for x
    x = 206,486,401.65/20,028.06
  6. Step 6: Final answer
    x = 10,309.86

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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.