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Finding the Fourth Proportional to 25,274, 37,911 and 8,858

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Solution

The fourth proportional to 25,274, 37,911 and 8,858 is: 13,287

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274 : 37,911 = 8,858 : x
  2. Step 2: Convert to fraction form
    25,274/37,911 = 8,858/x
  3. Step 3: Cross multiply
    25,274x = 37,911 × 8,858
  4. Step 4: Simplify right side
    25,274x = 335,815,638
  5. Step 5: Solve for x
    x = 335,815,638/25,274
  6. Step 6: Final answer
    x = 13,287

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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.