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Finding the Fourth Proportional to 17,893.22, 26,845.50 and 13,957.97

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Solution

The fourth proportional to 17,893.22, 26,845.50 and 13,957.97 is: 20,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,893.22 : 26,845.50 = 13,957.97 : x
  2. Step 2: Convert to fraction form
    17,893.22/26,845.50 = 13,957.97/x
  3. Step 3: Cross multiply
    17,893.22x = 26,845.50 × 13,957.97
  4. Step 4: Simplify right side
    17,893.22x = 374,708,683.64
  5. Step 5: Solve for x
    x = 374,708,683.64/17,893.22
  6. Step 6: Final answer
    x = 20,941.38

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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.