Home / 20,028.26-30,044.42-6,878.86

Finding the Fourth Proportional to 20,028.26, 30,044.42 and 6,878.86

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Solution

The fourth proportional to 20,028.26, 30,044.42 and 6,878.86 is: 10,318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.26 : 30,044.42 = 6,878.86 : x
  2. Step 2: Convert to fraction form
    20,028.26/30,044.42 = 6,878.86/x
  3. Step 3: Cross multiply
    20,028.26x = 30,044.42 × 6,878.86
  4. Step 4: Simplify right side
    20,028.26x = 206,671,358.96
  5. Step 5: Solve for x
    x = 206,671,358.96/20,028.26
  6. Step 6: Final answer
    x = 10,318.99

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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.