Home / 26,198.72-36,153.60-15,020

Finding the Fourth Proportional to 26,198.72, 36,153.60 and 15,020

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Solution

The fourth proportional to 26,198.72, 36,153.60 and 15,020 is: 20,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,198.72 : 36,153.60 = 15,020 : x
  2. Step 2: Convert to fraction form
    26,198.72/36,153.60 = 15,020/x
  3. Step 3: Cross multiply
    26,198.72x = 36,153.60 × 15,020
  4. Step 4: Simplify right side
    26,198.72x = 543,027,072
  5. Step 5: Solve for x
    x = 543,027,072/26,198.72
  6. Step 6: Final answer
    x = 20,727.24

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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.