Home / 20,028.42-30,044.66-6,879.08

Finding the Fourth Proportional to 20,028.42, 30,044.66 and 6,879.08

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Solution

The fourth proportional to 20,028.42, 30,044.66 and 6,879.08 is: 10,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.42 : 30,044.66 = 6,879.08 : x
  2. Step 2: Convert to fraction form
    20,028.42/30,044.66 = 6,879.08/x
  3. Step 3: Cross multiply
    20,028.42x = 30,044.66 × 6,879.08
  4. Step 4: Simplify right side
    20,028.42x = 206,679,435.09
  5. Step 5: Solve for x
    x = 206,679,435.09/20,028.42
  6. Step 6: Final answer
    x = 10,319.31

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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.