Home / 20,026.85-30,040.27-8,930.86

Finding the Fourth Proportional to 20,026.85, 30,040.27 and 8,930.86

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Solution

The fourth proportional to 20,026.85, 30,040.27 and 8,930.86 is: 13,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.85 : 30,040.27 = 8,930.86 : x
  2. Step 2: Convert to fraction form
    20,026.85/30,040.27 = 8,930.86/x
  3. Step 3: Cross multiply
    20,026.85x = 30,040.27 × 8,930.86
  4. Step 4: Simplify right side
    20,026.85x = 268,285,348.30
  5. Step 5: Solve for x
    x = 268,285,348.30/20,026.85
  6. Step 6: Final answer
    x = 13,396.29

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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.