Home / 20,016.33-30,027.87-6,865.53

Finding the Fourth Proportional to 20,016.33, 30,027.87 and 6,865.53

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Solution

The fourth proportional to 20,016.33, 30,027.87 and 6,865.53 is: 10,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.33 : 30,027.87 = 6,865.53 : x
  2. Step 2: Convert to fraction form
    20,016.33/30,027.87 = 6,865.53/x
  3. Step 3: Cross multiply
    20,016.33x = 30,027.87 × 6,865.53
  4. Step 4: Simplify right side
    20,016.33x = 206,157,242.32
  5. Step 5: Solve for x
    x = 206,157,242.32/20,016.33
  6. Step 6: Final answer
    x = 10,299.45

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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.