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Finding the Fourth Proportional to 26,274, 39,411 and 7,806

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Solution

The fourth proportional to 26,274, 39,411 and 7,806 is: 11,709

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,274 : 39,411 = 7,806 : x
  2. Step 2: Convert to fraction form
    26,274/39,411 = 7,806/x
  3. Step 3: Cross multiply
    26,274x = 39,411 × 7,806
  4. Step 4: Simplify right side
    26,274x = 307,642,266
  5. Step 5: Solve for x
    x = 307,642,266/26,274
  6. Step 6: Final answer
    x = 11,709

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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.