Home / 28,161.90-42,229.19-10,633.11

Finding the Fourth Proportional to 28,161.90, 42,229.19 and 10,633.11

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Solution

The fourth proportional to 28,161.90, 42,229.19 and 10,633.11 is: 15,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.90 : 42,229.19 = 10,633.11 : x
  2. Step 2: Convert to fraction form
    28,161.90/42,229.19 = 10,633.11/x
  3. Step 3: Cross multiply
    28,161.90x = 42,229.19 × 10,633.11
  4. Step 4: Simplify right side
    28,161.90x = 449,027,569.32
  5. Step 5: Solve for x
    x = 449,027,569.32/28,161.90
  6. Step 6: Final answer
    x = 15,944.51

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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.