Home / 27,608.29-38,099.90-15,671.99

Finding the Fourth Proportional to 27,608.29, 38,099.90 and 15,671.99

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Solution

The fourth proportional to 27,608.29, 38,099.90 and 15,671.99 is: 21,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.29 : 38,099.90 = 15,671.99 : x
  2. Step 2: Convert to fraction form
    27,608.29/38,099.90 = 15,671.99/x
  3. Step 3: Cross multiply
    27,608.29x = 38,099.90 × 15,671.99
  4. Step 4: Simplify right side
    27,608.29x = 597,101,251.80
  5. Step 5: Solve for x
    x = 597,101,251.80/27,608.29
  6. Step 6: Final answer
    x = 21,627.61

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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.