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Finding the Fourth Proportional to 26,032.05, 38,989.71 and 20,170.89

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Solution

The fourth proportional to 26,032.05, 38,989.71 and 20,170.89 is: 30,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,032.05 : 38,989.71 = 20,170.89 : x
  2. Step 2: Convert to fraction form
    26,032.05/38,989.71 = 20,170.89/x
  3. Step 3: Cross multiply
    26,032.05x = 38,989.71 × 20,170.89
  4. Step 4: Simplify right side
    26,032.05x = 786,457,151.54
  5. Step 5: Solve for x
    x = 786,457,151.54/26,032.05
  6. Step 6: Final answer
    x = 30,211.11

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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.