Home / 28,863.10-43,294.65-27,999.10

Finding the Fourth Proportional to 28,863.10, 43,294.65 and 27,999.10

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Solution

The fourth proportional to 28,863.10, 43,294.65 and 27,999.10 is: 41,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.10 : 43,294.65 = 27,999.10 : x
  2. Step 2: Convert to fraction form
    28,863.10/43,294.65 = 27,999.10/x
  3. Step 3: Cross multiply
    28,863.10x = 43,294.65 × 27,999.10
  4. Step 4: Simplify right side
    28,863.10x = 1,212,211,234.82
  5. Step 5: Solve for x
    x = 1,212,211,234.82/28,863.10
  6. Step 6: Final answer
    x = 41,998.65

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Similar ratio
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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.