Home / 20,417.56-30,626.33-5,626.62

Finding the Fourth Proportional to 20,417.56, 30,626.33 and 5,626.62

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Solution

The fourth proportional to 20,417.56, 30,626.33 and 5,626.62 is: 8,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417.56 : 30,626.33 = 5,626.62 : x
  2. Step 2: Convert to fraction form
    20,417.56/30,626.33 = 5,626.62/x
  3. Step 3: Cross multiply
    20,417.56x = 30,626.33 × 5,626.62
  4. Step 4: Simplify right side
    20,417.56x = 172,322,720.90
  5. Step 5: Solve for x
    x = 172,322,720.90/20,417.56
  6. Step 6: Final answer
    x = 8,439.93

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Similar ratio
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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.