Home / 20,452.88-28,224.83-11,377.96

Finding the Fourth Proportional to 20,452.88, 28,224.83 and 11,377.96

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Solution

The fourth proportional to 20,452.88, 28,224.83 and 11,377.96 is: 15,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.88 : 28,224.83 = 11,377.96 : x
  2. Step 2: Convert to fraction form
    20,452.88/28,224.83 = 11,377.96/x
  3. Step 3: Cross multiply
    20,452.88x = 28,224.83 × 11,377.96
  4. Step 4: Simplify right side
    20,452.88x = 321,140,944.63
  5. Step 5: Solve for x
    x = 321,140,944.63/20,452.88
  6. Step 6: Final answer
    x = 15,701.50

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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.