Home / 20,016.28-30,043.24-10,162.62

Finding the Fourth Proportional to 20,016.28, 30,043.24 and 10,162.62

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Solution

The fourth proportional to 20,016.28, 30,043.24 and 10,162.62 is: 15,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.28 : 30,043.24 = 10,162.62 : x
  2. Step 2: Convert to fraction form
    20,016.28/30,043.24 = 10,162.62/x
  3. Step 3: Cross multiply
    20,016.28x = 30,043.24 × 10,162.62
  4. Step 4: Simplify right side
    20,016.28x = 305,318,031.69
  5. Step 5: Solve for x
    x = 305,318,031.69/20,016.28
  6. Step 6: Final answer
    x = 15,253.49

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1.5x scale

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.