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Finding the Fourth Proportional to 25,173, 37,759.82 and 8,757

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Solution

The fourth proportional to 25,173, 37,759.82 and 8,757 is: 13,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173 : 37,759.82 = 8,757 : x
  2. Step 2: Convert to fraction form
    25,173/37,759.82 = 8,757/x
  3. Step 3: Cross multiply
    25,173x = 37,759.82 × 8,757
  4. Step 4: Simplify right side
    25,173x = 330,662,743.74
  5. Step 5: Solve for x
    x = 330,662,743.74/25,173
  6. Step 6: Final answer
    x = 13,135.61

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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.