Home / 20,402.92-28,163.46-12,026.44

Finding the Fourth Proportional to 20,402.92, 28,163.46 and 12,026.44

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Solution

The fourth proportional to 20,402.92, 28,163.46 and 12,026.44 is: 16,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402.92 : 28,163.46 = 12,026.44 : x
  2. Step 2: Convert to fraction form
    20,402.92/28,163.46 = 12,026.44/x
  3. Step 3: Cross multiply
    20,402.92x = 28,163.46 × 12,026.44
  4. Step 4: Simplify right side
    20,402.92x = 338,706,161.88
  5. Step 5: Solve for x
    x = 338,706,161.88/20,402.92
  6. Step 6: Final answer
    x = 16,600.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.