Home / 26,273.78-36,262.52-15,664.11

Finding the Fourth Proportional to 26,273.78, 36,262.52 and 15,664.11

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Solution

The fourth proportional to 26,273.78, 36,262.52 and 15,664.11 is: 21,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,273.78 : 36,262.52 = 15,664.11 : x
  2. Step 2: Convert to fraction form
    26,273.78/36,262.52 = 15,664.11/x
  3. Step 3: Cross multiply
    26,273.78x = 36,262.52 × 15,664.11
  4. Step 4: Simplify right side
    26,273.78x = 568,019,842.52
  5. Step 5: Solve for x
    x = 568,019,842.52/26,273.78
  6. Step 6: Final answer
    x = 21,619.27

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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.