Home / 26,190.52-36,136.61-15,435.82

Finding the Fourth Proportional to 26,190.52, 36,136.61 and 15,435.82

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Solution

The fourth proportional to 26,190.52, 36,136.61 and 15,435.82 is: 21,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.52 : 36,136.61 = 15,435.82 : x
  2. Step 2: Convert to fraction form
    26,190.52/36,136.61 = 15,435.82/x
  3. Step 3: Cross multiply
    26,190.52x = 36,136.61 × 15,435.82
  4. Step 4: Simplify right side
    26,190.52x = 557,798,097.73
  5. Step 5: Solve for x
    x = 557,798,097.73/26,190.52
  6. Step 6: Final answer
    x = 21,297.71

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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.