Home / 27,910.81-38,516.72-15,163.88

Finding the Fourth Proportional to 27,910.81, 38,516.72 and 15,163.88

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Solution

The fourth proportional to 27,910.81, 38,516.72 and 15,163.88 is: 20,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.81 : 38,516.72 = 15,163.88 : x
  2. Step 2: Convert to fraction form
    27,910.81/38,516.72 = 15,163.88/x
  3. Step 3: Cross multiply
    27,910.81x = 38,516.72 × 15,163.88
  4. Step 4: Simplify right side
    27,910.81x = 584,062,651.67
  5. Step 5: Solve for x
    x = 584,062,651.67/27,910.81
  6. Step 6: Final answer
    x = 20,926.04

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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.