Home / 28,626.26-42,939.32-7,849.76

Finding the Fourth Proportional to 28,626.26, 42,939.32 and 7,849.76

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Solution

The fourth proportional to 28,626.26, 42,939.32 and 7,849.76 is: 11,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.26 : 42,939.32 = 7,849.76 : x
  2. Step 2: Convert to fraction form
    28,626.26/42,939.32 = 7,849.76/x
  3. Step 3: Cross multiply
    28,626.26x = 42,939.32 × 7,849.76
  4. Step 4: Simplify right side
    28,626.26x = 337,063,102.62
  5. Step 5: Solve for x
    x = 337,063,102.62/28,626.26
  6. Step 6: Final answer
    x = 11,774.61

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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.