Home / 26,696.14-36,798.24-21,021.88

Finding the Fourth Proportional to 26,696.14, 36,798.24 and 21,021.88

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Solution

The fourth proportional to 26,696.14, 36,798.24 and 21,021.88 is: 28,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,696.14 : 36,798.24 = 21,021.88 : x
  2. Step 2: Convert to fraction form
    26,696.14/36,798.24 = 21,021.88/x
  3. Step 3: Cross multiply
    26,696.14x = 36,798.24 × 21,021.88
  4. Step 4: Simplify right side
    26,696.14x = 773,568,185.49
  5. Step 5: Solve for x
    x = 773,568,185.49/26,696.14
  6. Step 6: Final answer
    x = 28,976.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.