Home / 20,525.20-28,324.76-11,093.76

Finding the Fourth Proportional to 20,525.20, 28,324.76 and 11,093.76

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Solution

The fourth proportional to 20,525.20, 28,324.76 and 11,093.76 is: 15,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.20 : 28,324.76 = 11,093.76 : x
  2. Step 2: Convert to fraction form
    20,525.20/28,324.76 = 11,093.76/x
  3. Step 3: Cross multiply
    20,525.20x = 28,324.76 × 11,093.76
  4. Step 4: Simplify right side
    20,525.20x = 314,228,034.03
  5. Step 5: Solve for x
    x = 314,228,034.03/20,525.20
  6. Step 6: Final answer
    x = 15,309.38

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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.