Home / 20,536.76-30,799.86-8,057.24

Finding the Fourth Proportional to 20,536.76, 30,799.86 and 8,057.24

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Solution

The fourth proportional to 20,536.76, 30,799.86 and 8,057.24 is: 12,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.76 : 30,799.86 = 8,057.24 : x
  2. Step 2: Convert to fraction form
    20,536.76/30,799.86 = 8,057.24/x
  3. Step 3: Cross multiply
    20,536.76x = 30,799.86 × 8,057.24
  4. Step 4: Simplify right side
    20,536.76x = 248,161,863.99
  5. Step 5: Solve for x
    x = 248,161,863.99/20,536.76
  6. Step 6: Final answer
    x = 12,083.79

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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.