Home / 26,831.85-40,248.14-8,112.03

Finding the Fourth Proportional to 26,831.85, 40,248.14 and 8,112.03

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Solution

The fourth proportional to 26,831.85, 40,248.14 and 8,112.03 is: 12,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.85 : 40,248.14 = 8,112.03 : x
  2. Step 2: Convert to fraction form
    26,831.85/40,248.14 = 8,112.03/x
  3. Step 3: Cross multiply
    26,831.85x = 40,248.14 × 8,112.03
  4. Step 4: Simplify right side
    26,831.85x = 326,494,078.56
  5. Step 5: Solve for x
    x = 326,494,078.56/26,831.85
  6. Step 6: Final answer
    x = 12,168.15

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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.