Home / 36,022.80-54,005.40-15,229.20

Finding the Fourth Proportional to 36,022.80, 54,005.40 and 15,229.20

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Solution

The fourth proportional to 36,022.80, 54,005.40 and 15,229.20 is: 22,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,022.80 : 54,005.40 = 15,229.20 : x
  2. Step 2: Convert to fraction form
    36,022.80/54,005.40 = 15,229.20/x
  3. Step 3: Cross multiply
    36,022.80x = 54,005.40 × 15,229.20
  4. Step 4: Simplify right side
    36,022.80x = 822,459,037.68
  5. Step 5: Solve for x
    x = 822,459,037.68/36,022.80
  6. Step 6: Final answer
    x = 22,831.62

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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.