Home / 26,929.82-40,402.98-13,791.42

Finding the Fourth Proportional to 26,929.82, 40,402.98 and 13,791.42

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Solution

The fourth proportional to 26,929.82, 40,402.98 and 13,791.42 is: 20,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.82 : 40,402.98 = 13,791.42 : x
  2. Step 2: Convert to fraction form
    26,929.82/40,402.98 = 13,791.42/x
  3. Step 3: Cross multiply
    26,929.82x = 40,402.98 × 13,791.42
  4. Step 4: Simplify right side
    26,929.82x = 557,214,466.43
  5. Step 5: Solve for x
    x = 557,214,466.43/26,929.82
  6. Step 6: Final answer
    x = 20,691.36

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1.5x scale

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.