Home / 27,571.28-38,049.21-15,635.12

Finding the Fourth Proportional to 27,571.28, 38,049.21 and 15,635.12

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Solution

The fourth proportional to 27,571.28, 38,049.21 and 15,635.12 is: 21,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,571.28 : 38,049.21 = 15,635.12 : x
  2. Step 2: Convert to fraction form
    27,571.28/38,049.21 = 15,635.12/x
  3. Step 3: Cross multiply
    27,571.28x = 38,049.21 × 15,635.12
  4. Step 4: Simplify right side
    27,571.28x = 594,903,774.01
  5. Step 5: Solve for x
    x = 594,903,774.01/27,571.28
  6. Step 6: Final answer
    x = 21,576.94

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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.