Home / 20,522.26-30,778.87-5,727.21

Finding the Fourth Proportional to 20,522.26, 30,778.87 and 5,727.21

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Solution

The fourth proportional to 20,522.26, 30,778.87 and 5,727.21 is: 8,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.26 : 30,778.87 = 5,727.21 : x
  2. Step 2: Convert to fraction form
    20,522.26/30,778.87 = 5,727.21/x
  3. Step 3: Cross multiply
    20,522.26x = 30,778.87 × 5,727.21
  4. Step 4: Simplify right side
    20,522.26x = 176,277,052.05
  5. Step 5: Solve for x
    x = 176,277,052.05/20,522.26
  6. Step 6: Final answer
    x = 8,589.55

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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.