Home / 26,291.67-39,436.70-8,761.05

Finding the Fourth Proportional to 26,291.67, 39,436.70 and 8,761.05

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Solution

The fourth proportional to 26,291.67, 39,436.70 and 8,761.05 is: 13,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,291.67 : 39,436.70 = 8,761.05 : x
  2. Step 2: Convert to fraction form
    26,291.67/39,436.70 = 8,761.05/x
  3. Step 3: Cross multiply
    26,291.67x = 39,436.70 × 8,761.05
  4. Step 4: Simplify right side
    26,291.67x = 345,506,856.73
  5. Step 5: Solve for x
    x = 345,506,856.73/26,291.67
  6. Step 6: Final answer
    x = 13,141.31

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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.