Home / 27,908.29-38,513.28-15,161.37

Finding the Fourth Proportional to 27,908.29, 38,513.28 and 15,161.37

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Solution

The fourth proportional to 27,908.29, 38,513.28 and 15,161.37 is: 20,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.29 : 38,513.28 = 15,161.37 : x
  2. Step 2: Convert to fraction form
    27,908.29/38,513.28 = 15,161.37/x
  3. Step 3: Cross multiply
    27,908.29x = 38,513.28 × 15,161.37
  4. Step 4: Simplify right side
    27,908.29x = 583,914,125.90
  5. Step 5: Solve for x
    x = 583,914,125.90/27,908.29
  6. Step 6: Final answer
    x = 20,922.61

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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.