Home / 26,620.22-36,716.92-18,664.22

Finding the Fourth Proportional to 26,620.22, 36,716.92 and 18,664.22

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Solution

The fourth proportional to 26,620.22, 36,716.92 and 18,664.22 is: 25,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.22 : 36,716.92 = 18,664.22 : x
  2. Step 2: Convert to fraction form
    26,620.22/36,716.92 = 18,664.22/x
  3. Step 3: Cross multiply
    26,620.22x = 36,716.92 × 18,664.22
  4. Step 4: Simplify right side
    26,620.22x = 685,292,442.36
  5. Step 5: Solve for x
    x = 685,292,442.36/26,620.22
  6. Step 6: Final answer
    x = 25,743.31

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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.