Home / 28,164.70-42,247.05-17,083.90

Finding the Fourth Proportional to 28,164.70, 42,247.05 and 17,083.90

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Solution

The fourth proportional to 28,164.70, 42,247.05 and 17,083.90 is: 25,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.70 : 42,247.05 = 17,083.90 : x
  2. Step 2: Convert to fraction form
    28,164.70/42,247.05 = 17,083.90/x
  3. Step 3: Cross multiply
    28,164.70x = 42,247.05 × 17,083.90
  4. Step 4: Simplify right side
    28,164.70x = 721,744,377.50
  5. Step 5: Solve for x
    x = 721,744,377.50/28,164.70
  6. Step 6: Final answer
    x = 25,625.85

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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.