Home / 28,781.26-43,174.32-8,004.76

Finding the Fourth Proportional to 28,781.26, 43,174.32 and 8,004.76

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Solution

The fourth proportional to 28,781.26, 43,174.32 and 8,004.76 is: 12,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.26 : 43,174.32 = 8,004.76 : x
  2. Step 2: Convert to fraction form
    28,781.26/43,174.32 = 8,004.76/x
  3. Step 3: Cross multiply
    28,781.26x = 43,174.32 × 8,004.76
  4. Step 4: Simplify right side
    28,781.26x = 345,600,069.76
  5. Step 5: Solve for x
    x = 345,600,069.76/28,781.26
  6. Step 6: Final answer
    x = 12,007.82

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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.