Home / 28,288.18-42,434.33-8,568.28

Finding the Fourth Proportional to 28,288.18, 42,434.33 and 8,568.28

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Solution

The fourth proportional to 28,288.18, 42,434.33 and 8,568.28 is: 12,853.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,288.18 : 42,434.33 = 8,568.28 : x
  2. Step 2: Convert to fraction form
    28,288.18/42,434.33 = 8,568.28/x
  3. Step 3: Cross multiply
    28,288.18x = 42,434.33 × 8,568.28
  4. Step 4: Simplify right side
    28,288.18x = 363,589,221.05
  5. Step 5: Solve for x
    x = 363,589,221.05/28,288.18
  6. Step 6: Final answer
    x = 12,853.04

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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.