Home / 20,552.70-28,363.58-11,600.20

Finding the Fourth Proportional to 20,552.70, 28,363.58 and 11,600.20

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Solution

The fourth proportional to 20,552.70, 28,363.58 and 11,600.20 is: 16,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.70 : 28,363.58 = 11,600.20 : x
  2. Step 2: Convert to fraction form
    20,552.70/28,363.58 = 11,600.20/x
  3. Step 3: Cross multiply
    20,552.70x = 28,363.58 × 11,600.20
  4. Step 4: Simplify right side
    20,552.70x = 329,023,200.72
  5. Step 5: Solve for x
    x = 329,023,200.72/20,552.70
  6. Step 6: Final answer
    x = 16,008.76

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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.