Home / 27,910.43-38,516.83-15,163.86

Finding the Fourth Proportional to 27,910.43, 38,516.83 and 15,163.86

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Solution

The fourth proportional to 27,910.43, 38,516.83 and 15,163.86 is: 20,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.43 : 38,516.83 = 15,163.86 : x
  2. Step 2: Convert to fraction form
    27,910.43/38,516.83 = 15,163.86/x
  3. Step 3: Cross multiply
    27,910.43x = 38,516.83 × 15,163.86
  4. Step 4: Simplify right side
    27,910.43x = 584,063,888.18
  5. Step 5: Solve for x
    x = 584,063,888.18/27,910.43
  6. Step 6: Final answer
    x = 20,926.37

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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.