Home / 27,422.91-37,842.21-15,321.24

Finding the Fourth Proportional to 27,422.91, 37,842.21 and 15,321.24

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Solution

The fourth proportional to 27,422.91, 37,842.21 and 15,321.24 is: 21,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.91 : 37,842.21 = 15,321.24 : x
  2. Step 2: Convert to fraction form
    27,422.91/37,842.21 = 15,321.24/x
  3. Step 3: Cross multiply
    27,422.91x = 37,842.21 × 15,321.24
  4. Step 4: Simplify right side
    27,422.91x = 579,789,581.54
  5. Step 5: Solve for x
    x = 579,789,581.54/27,422.91
  6. Step 6: Final answer
    x = 21,142.53

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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.