Home / 20,028.76-30,010.24-6,873.96

Finding the Fourth Proportional to 20,028.76, 30,010.24 and 6,873.96

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Solution

The fourth proportional to 20,028.76, 30,010.24 and 6,873.96 is: 10,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.76 : 30,010.24 = 6,873.96 : x
  2. Step 2: Convert to fraction form
    20,028.76/30,010.24 = 6,873.96/x
  3. Step 3: Cross multiply
    20,028.76x = 30,010.24 × 6,873.96
  4. Step 4: Simplify right side
    20,028.76x = 206,289,189.35
  5. Step 5: Solve for x
    x = 206,289,189.35/20,028.76
  6. Step 6: Final answer
    x = 10,299.65

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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.