Home / 26,961.70-40,405.63-17,107.90

Finding the Fourth Proportional to 26,961.70, 40,405.63 and 17,107.90

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Solution

The fourth proportional to 26,961.70, 40,405.63 and 17,107.90 is: 25,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,961.70 : 40,405.63 = 17,107.90 : x
  2. Step 2: Convert to fraction form
    26,961.70/40,405.63 = 17,107.90/x
  3. Step 3: Cross multiply
    26,961.70x = 40,405.63 × 17,107.90
  4. Step 4: Simplify right side
    26,961.70x = 691,255,477.48
  5. Step 5: Solve for x
    x = 691,255,477.48/26,961.70
  6. Step 6: Final answer
    x = 25,638.42

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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.