Home / 26,291.16-39,436.02-8,761.32

Finding the Fourth Proportional to 26,291.16, 39,436.02 and 8,761.32

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Solution

The fourth proportional to 26,291.16, 39,436.02 and 8,761.32 is: 13,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,291.16 : 39,436.02 = 8,761.32 : x
  2. Step 2: Convert to fraction form
    26,291.16/39,436.02 = 8,761.32/x
  3. Step 3: Cross multiply
    26,291.16x = 39,436.02 × 8,761.32
  4. Step 4: Simplify right side
    26,291.16x = 345,511,590.75
  5. Step 5: Solve for x
    x = 345,511,590.75/26,291.16
  6. Step 6: Final answer
    x = 13,141.74

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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.