Home / 27,427.91-37,850.23-15,491.21

Finding the Fourth Proportional to 27,427.91, 37,850.23 and 15,491.21

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Solution

The fourth proportional to 27,427.91, 37,850.23 and 15,491.21 is: 21,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.91 : 37,850.23 = 15,491.21 : x
  2. Step 2: Convert to fraction form
    27,427.91/37,850.23 = 15,491.21/x
  3. Step 3: Cross multiply
    27,427.91x = 37,850.23 × 15,491.21
  4. Step 4: Simplify right side
    27,427.91x = 586,345,861.48
  5. Step 5: Solve for x
    x = 586,345,861.48/27,427.91
  6. Step 6: Final answer
    x = 21,377.71

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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.