Home / 27,427.14-37,850.49-15,491.79

Finding the Fourth Proportional to 27,427.14, 37,850.49 and 15,491.79

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Solution

The fourth proportional to 27,427.14, 37,850.49 and 15,491.79 is: 21,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.14 : 37,850.49 = 15,491.79 : x
  2. Step 2: Convert to fraction form
    27,427.14/37,850.49 = 15,491.79/x
  3. Step 3: Cross multiply
    27,427.14x = 37,850.49 × 15,491.79
  4. Step 4: Simplify right side
    27,427.14x = 586,371,842.48
  5. Step 5: Solve for x
    x = 586,371,842.48/27,427.14
  6. Step 6: Final answer
    x = 21,379.26

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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.