Home / 20,200.03-30,273.30-15,502.10

Finding the Fourth Proportional to 20,200.03, 30,273.30 and 15,502.10

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Solution

The fourth proportional to 20,200.03, 30,273.30 and 15,502.10 is: 23,232.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.03 : 30,273.30 = 15,502.10 : x
  2. Step 2: Convert to fraction form
    20,200.03/30,273.30 = 15,502.10/x
  3. Step 3: Cross multiply
    20,200.03x = 30,273.30 × 15,502.10
  4. Step 4: Simplify right side
    20,200.03x = 469,299,572.56
  5. Step 5: Solve for x
    x = 469,299,572.56/20,200.03
  6. Step 6: Final answer
    x = 23,232.62

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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.