Home / 22,575.87-33,829.79-20,115.09

Finding the Fourth Proportional to 22,575.87, 33,829.79 and 20,115.09

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Solution

The fourth proportional to 22,575.87, 33,829.79 and 20,115.09 is: 30,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.87 : 33,829.79 = 20,115.09 : x
  2. Step 2: Convert to fraction form
    22,575.87/33,829.79 = 20,115.09/x
  3. Step 3: Cross multiply
    22,575.87x = 33,829.79 × 20,115.09
  4. Step 4: Simplify right side
    22,575.87x = 680,489,169.96
  5. Step 5: Solve for x
    x = 680,489,169.96/22,575.87
  6. Step 6: Final answer
    x = 30,142.32

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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.