Home / 20,227.82-30,336.87-10,362.02

Finding the Fourth Proportional to 20,227.82, 30,336.87 and 10,362.02

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Solution

The fourth proportional to 20,227.82, 30,336.87 and 10,362.02 is: 15,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.82 : 30,336.87 = 10,362.02 : x
  2. Step 2: Convert to fraction form
    20,227.82/30,336.87 = 10,362.02/x
  3. Step 3: Cross multiply
    20,227.82x = 30,336.87 × 10,362.02
  4. Step 4: Simplify right side
    20,227.82x = 314,351,329.52
  5. Step 5: Solve for x
    x = 314,351,329.52/20,227.82
  6. Step 6: Final answer
    x = 15,540.54

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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.