Home / 27,717.24-38,249.64-15,141.90

Finding the Fourth Proportional to 27,717.24, 38,249.64 and 15,141.90

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Solution

The fourth proportional to 27,717.24, 38,249.64 and 15,141.90 is: 20,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,717.24 : 38,249.64 = 15,141.90 : x
  2. Step 2: Convert to fraction form
    27,717.24/38,249.64 = 15,141.90/x
  3. Step 3: Cross multiply
    27,717.24x = 38,249.64 × 15,141.90
  4. Step 4: Simplify right side
    27,717.24x = 579,172,223.92
  5. Step 5: Solve for x
    x = 579,172,223.92/27,717.24
  6. Step 6: Final answer
    x = 20,895.74

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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.