Home / 26,092.80-39,131.28-7,371.36

Finding the Fourth Proportional to 26,092.80, 39,131.28 and 7,371.36

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Solution

The fourth proportional to 26,092.80, 39,131.28 and 7,371.36 is: 11,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,092.80 : 39,131.28 = 7,371.36 : x
  2. Step 2: Convert to fraction form
    26,092.80/39,131.28 = 7,371.36/x
  3. Step 3: Cross multiply
    26,092.80x = 39,131.28 × 7,371.36
  4. Step 4: Simplify right side
    26,092.80x = 288,450,752.14
  5. Step 5: Solve for x
    x = 288,450,752.14/26,092.80
  6. Step 6: Final answer
    x = 11,054.80

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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.