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Finding the Fourth Proportional to 26,082, 39,123 and 10,510.56

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Solution

The fourth proportional to 26,082, 39,123 and 10,510.56 is: 15,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,082 : 39,123 = 10,510.56 : x
  2. Step 2: Convert to fraction form
    26,082/39,123 = 10,510.56/x
  3. Step 3: Cross multiply
    26,082x = 39,123 × 10,510.56
  4. Step 4: Simplify right side
    26,082x = 411,204,638.88
  5. Step 5: Solve for x
    x = 411,204,638.88/26,082
  6. Step 6: Final answer
    x = 15,765.84

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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.