Home / 20,010.28-30,034.24-10,156.62

Finding the Fourth Proportional to 20,010.28, 30,034.24 and 10,156.62

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Solution

The fourth proportional to 20,010.28, 30,034.24 and 10,156.62 is: 15,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.28 : 30,034.24 = 10,156.62 : x
  2. Step 2: Convert to fraction form
    20,010.28/30,034.24 = 10,156.62/x
  3. Step 3: Cross multiply
    20,010.28x = 30,034.24 × 10,156.62
  4. Step 4: Simplify right side
    20,010.28x = 305,046,362.67
  5. Step 5: Solve for x
    x = 305,046,362.67/20,010.28
  6. Step 6: Final answer
    x = 15,244.48

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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.