Home / 27,467.85-37,905.42-15,531.61

Finding the Fourth Proportional to 27,467.85, 37,905.42 and 15,531.61

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Solution

The fourth proportional to 27,467.85, 37,905.42 and 15,531.61 is: 21,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,467.85 : 37,905.42 = 15,531.61 : x
  2. Step 2: Convert to fraction form
    27,467.85/37,905.42 = 15,531.61/x
  3. Step 3: Cross multiply
    27,467.85x = 37,905.42 × 15,531.61
  4. Step 4: Simplify right side
    27,467.85x = 588,732,200.33
  5. Step 5: Solve for x
    x = 588,732,200.33/27,467.85
  6. Step 6: Final answer
    x = 21,433.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.