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Finding the Fourth Proportional to 26,775.96, 40,132.08 and 20,180.40

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Solution

The fourth proportional to 26,775.96, 40,132.08 and 20,180.40 is: 30,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,775.96 : 40,132.08 = 20,180.40 : x
  2. Step 2: Convert to fraction form
    26,775.96/40,132.08 = 20,180.40/x
  3. Step 3: Cross multiply
    26,775.96x = 40,132.08 × 20,180.40
  4. Step 4: Simplify right side
    26,775.96x = 809,881,427.23
  5. Step 5: Solve for x
    x = 809,881,427.23/26,775.96
  6. Step 6: Final answer
    x = 30,246.59

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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.