Home / 20,170.32-30,233.07-15,223.92

Finding the Fourth Proportional to 20,170.32, 30,233.07 and 15,223.92

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Solution

The fourth proportional to 20,170.32, 30,233.07 and 15,223.92 is: 22,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170.32 : 30,233.07 = 15,223.92 : x
  2. Step 2: Convert to fraction form
    20,170.32/30,233.07 = 15,223.92/x
  3. Step 3: Cross multiply
    20,170.32x = 30,233.07 × 15,223.92
  4. Step 4: Simplify right side
    20,170.32x = 460,265,839.03
  5. Step 5: Solve for x
    x = 460,265,839.03/20,170.32
  6. Step 6: Final answer
    x = 22,818.97

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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.