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Finding the Fourth Proportional to 17,367.78, 26,057.93 and 6,831.96

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Solution

The fourth proportional to 17,367.78, 26,057.93 and 6,831.96 is: 10,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,367.78 : 26,057.93 = 6,831.96 : x
  2. Step 2: Convert to fraction form
    17,367.78/26,057.93 = 6,831.96/x
  3. Step 3: Cross multiply
    17,367.78x = 26,057.93 × 6,831.96
  4. Step 4: Simplify right side
    17,367.78x = 178,026,701.28
  5. Step 5: Solve for x
    x = 178,026,701.28/17,367.78
  6. Step 6: Final answer
    x = 10,250.40

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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.