Home / 27,717.19-38,249.72-15,141.94

Finding the Fourth Proportional to 27,717.19, 38,249.72 and 15,141.94

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Solution

The fourth proportional to 27,717.19, 38,249.72 and 15,141.94 is: 20,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,717.19 : 38,249.72 = 15,141.94 : x
  2. Step 2: Convert to fraction form
    27,717.19/38,249.72 = 15,141.94/x
  3. Step 3: Cross multiply
    27,717.19x = 38,249.72 × 15,141.94
  4. Step 4: Simplify right side
    27,717.19x = 579,174,850.71
  5. Step 5: Solve for x
    x = 579,174,850.71/27,717.19
  6. Step 6: Final answer
    x = 20,895.87

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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.