Home / 27,915.33-41,849.45-12,108.46

Finding the Fourth Proportional to 27,915.33, 41,849.45 and 12,108.46

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Solution

The fourth proportional to 27,915.33, 41,849.45 and 12,108.46 is: 18,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.33 : 41,849.45 = 12,108.46 : x
  2. Step 2: Convert to fraction form
    27,915.33/41,849.45 = 12,108.46/x
  3. Step 3: Cross multiply
    27,915.33x = 41,849.45 × 12,108.46
  4. Step 4: Simplify right side
    27,915.33x = 506,732,383.12
  5. Step 5: Solve for x
    x = 506,732,383.12/27,915.33
  6. Step 6: Final answer
    x = 18,152.48

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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.