Home / 26,285.70-39,434.84-8,755.68

Finding the Fourth Proportional to 26,285.70, 39,434.84 and 8,755.68

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Solution

The fourth proportional to 26,285.70, 39,434.84 and 8,755.68 is: 13,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,285.70 : 39,434.84 = 8,755.68 : x
  2. Step 2: Convert to fraction form
    26,285.70/39,434.84 = 8,755.68/x
  3. Step 3: Cross multiply
    26,285.70x = 39,434.84 × 8,755.68
  4. Step 4: Simplify right side
    26,285.70x = 345,278,796.11
  5. Step 5: Solve for x
    x = 345,278,796.11/26,285.70
  6. Step 6: Final answer
    x = 13,135.61

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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.