Home / 27,167.58-37,491.39-15,231.42

Finding the Fourth Proportional to 27,167.58, 37,491.39 and 15,231.42

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Solution

The fourth proportional to 27,167.58, 37,491.39 and 15,231.42 is: 21,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.58 : 37,491.39 = 15,231.42 : x
  2. Step 2: Convert to fraction form
    27,167.58/37,491.39 = 15,231.42/x
  3. Step 3: Cross multiply
    27,167.58x = 37,491.39 × 15,231.42
  4. Step 4: Simplify right side
    27,167.58x = 571,047,107.47
  5. Step 5: Solve for x
    x = 571,047,107.47/27,167.58
  6. Step 6: Final answer
    x = 21,019.43

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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.