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Finding the Fourth Proportional to 26,672.22, 40,021.29 and 20,840.22

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Solution

The fourth proportional to 26,672.22, 40,021.29 and 20,840.22 is: 31,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,672.22 : 40,021.29 = 20,840.22 : x
  2. Step 2: Convert to fraction form
    26,672.22/40,021.29 = 20,840.22/x
  3. Step 3: Cross multiply
    26,672.22x = 40,021.29 × 20,840.22
  4. Step 4: Simplify right side
    26,672.22x = 834,052,488.28
  5. Step 5: Solve for x
    x = 834,052,488.28/26,672.22
  6. Step 6: Final answer
    x = 31,270.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.