Home / 26,735.62-36,879-17,172.28

Finding the Fourth Proportional to 26,735.62, 36,879 and 17,172.28

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Solution

The fourth proportional to 26,735.62, 36,879 and 17,172.28 is: 23,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,735.62 : 36,879 = 17,172.28 : x
  2. Step 2: Convert to fraction form
    26,735.62/36,879 = 17,172.28/x
  3. Step 3: Cross multiply
    26,735.62x = 36,879 × 17,172.28
  4. Step 4: Simplify right side
    26,735.62x = 633,296,514.12
  5. Step 5: Solve for x
    x = 633,296,514.12/26,735.62
  6. Step 6: Final answer
    x = 23,687.37

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1.5x scale

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.