Home / 28,134.15-42,203.46-9,414.29

Finding the Fourth Proportional to 28,134.15, 42,203.46 and 9,414.29

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Solution

The fourth proportional to 28,134.15, 42,203.46 and 9,414.29 is: 14,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.15 : 42,203.46 = 9,414.29 : x
  2. Step 2: Convert to fraction form
    28,134.15/42,203.46 = 9,414.29/x
  3. Step 3: Cross multiply
    28,134.15x = 42,203.46 × 9,414.29
  4. Step 4: Simplify right side
    28,134.15x = 397,315,400.43
  5. Step 5: Solve for x
    x = 397,315,400.43/28,134.15
  6. Step 6: Final answer
    x = 14,122.18

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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.