Home / 26,268.51-39,409.25-8,738.49

Finding the Fourth Proportional to 26,268.51, 39,409.25 and 8,738.49

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Solution

The fourth proportional to 26,268.51, 39,409.25 and 8,738.49 is: 13,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,268.51 : 39,409.25 = 8,738.49 : x
  2. Step 2: Convert to fraction form
    26,268.51/39,409.25 = 8,738.49/x
  3. Step 3: Cross multiply
    26,268.51x = 39,409.25 × 8,738.49
  4. Step 4: Simplify right side
    26,268.51x = 344,377,337.03
  5. Step 5: Solve for x
    x = 344,377,337.03/26,268.51
  6. Step 6: Final answer
    x = 13,109.89

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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.