Home / 26,640.09-39,963.17-9,105.82

Finding the Fourth Proportional to 26,640.09, 39,963.17 and 9,105.82

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Solution

The fourth proportional to 26,640.09, 39,963.17 and 9,105.82 is: 13,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,640.09 : 39,963.17 = 9,105.82 : x
  2. Step 2: Convert to fraction form
    26,640.09/39,963.17 = 9,105.82/x
  3. Step 3: Cross multiply
    26,640.09x = 39,963.17 × 9,105.82
  4. Step 4: Simplify right side
    26,640.09x = 363,897,355.51
  5. Step 5: Solve for x
    x = 363,897,355.51/26,640.09
  6. Step 6: Final answer
    x = 13,659.76

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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.