Home / 26,228.88-39,334.80-8,694

Finding the Fourth Proportional to 26,228.88, 39,334.80 and 8,694

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Solution

The fourth proportional to 26,228.88, 39,334.80 and 8,694 is: 13,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.88 : 39,334.80 = 8,694 : x
  2. Step 2: Convert to fraction form
    26,228.88/39,334.80 = 8,694/x
  3. Step 3: Cross multiply
    26,228.88x = 39,334.80 × 8,694
  4. Step 4: Simplify right side
    26,228.88x = 341,976,751.20
  5. Step 5: Solve for x
    x = 341,976,751.20/26,228.88
  6. Step 6: Final answer
    x = 13,038.18

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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.