Home / 26,831.34-40,231.41-17,956.80

Finding the Fourth Proportional to 26,831.34, 40,231.41 and 17,956.80

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Solution

The fourth proportional to 26,831.34, 40,231.41 and 17,956.80 is: 26,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.34 : 40,231.41 = 17,956.80 : x
  2. Step 2: Convert to fraction form
    26,831.34/40,231.41 = 17,956.80/x
  3. Step 3: Cross multiply
    26,831.34x = 40,231.41 × 17,956.80
  4. Step 4: Simplify right side
    26,831.34x = 722,427,383.09
  5. Step 5: Solve for x
    x = 722,427,383.09/26,831.34
  6. Step 6: Final answer
    x = 26,924.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.