Home / 27,508.90-37,963.19-15,571.99

Finding the Fourth Proportional to 27,508.90, 37,963.19 and 15,571.99

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Solution

The fourth proportional to 27,508.90, 37,963.19 and 15,571.99 is: 21,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,508.90 : 37,963.19 = 15,571.99 : x
  2. Step 2: Convert to fraction form
    27,508.90/37,963.19 = 15,571.99/x
  3. Step 3: Cross multiply
    27,508.90x = 37,963.19 × 15,571.99
  4. Step 4: Simplify right side
    27,508.90x = 591,162,147.37
  5. Step 5: Solve for x
    x = 591,162,147.37/27,508.90
  6. Step 6: Final answer
    x = 21,489.85

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1.5x scale

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.