Home / 20,423.46-30,650.44-15,170.60

Finding the Fourth Proportional to 20,423.46, 30,650.44 and 15,170.60

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Solution

The fourth proportional to 20,423.46, 30,650.44 and 15,170.60 is: 22,767.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,423.46 : 30,650.44 = 15,170.60 : x
  2. Step 2: Convert to fraction form
    20,423.46/30,650.44 = 15,170.60/x
  3. Step 3: Cross multiply
    20,423.46x = 30,650.44 × 15,170.60
  4. Step 4: Simplify right side
    20,423.46x = 464,985,565.06
  5. Step 5: Solve for x
    x = 464,985,565.06/20,423.46
  6. Step 6: Final answer
    x = 22,767.23

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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.