Home / 20,244.74-30,286-17,500.96

Finding the Fourth Proportional to 20,244.74, 30,286 and 17,500.96

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Solution

The fourth proportional to 20,244.74, 30,286 and 17,500.96 is: 26,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.74 : 30,286 = 17,500.96 : x
  2. Step 2: Convert to fraction form
    20,244.74/30,286 = 17,500.96/x
  3. Step 3: Cross multiply
    20,244.74x = 30,286 × 17,500.96
  4. Step 4: Simplify right side
    20,244.74x = 530,034,074.56
  5. Step 5: Solve for x
    x = 530,034,074.56/20,244.74
  6. Step 6: Final answer
    x = 26,181.32

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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.