Home / 26,651.09-39,971.82-6,928.43

Finding the Fourth Proportional to 26,651.09, 39,971.82 and 6,928.43

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Solution

The fourth proportional to 26,651.09, 39,971.82 and 6,928.43 is: 10,391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.09 : 39,971.82 = 6,928.43 : x
  2. Step 2: Convert to fraction form
    26,651.09/39,971.82 = 6,928.43/x
  3. Step 3: Cross multiply
    26,651.09x = 39,971.82 × 6,928.43
  4. Step 4: Simplify right side
    26,651.09x = 276,941,822.27
  5. Step 5: Solve for x
    x = 276,941,822.27/26,651.09
  6. Step 6: Final answer
    x = 10,391.39

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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.