Home / 27,861.35-38,451.29-15,922.37

Finding the Fourth Proportional to 27,861.35, 38,451.29 and 15,922.37

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Solution

The fourth proportional to 27,861.35, 38,451.29 and 15,922.37 is: 21,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.35 : 38,451.29 = 15,922.37 : x
  2. Step 2: Convert to fraction form
    27,861.35/38,451.29 = 15,922.37/x
  3. Step 3: Cross multiply
    27,861.35x = 38,451.29 × 15,922.37
  4. Step 4: Simplify right side
    27,861.35x = 612,235,682.87
  5. Step 5: Solve for x
    x = 612,235,682.87/27,861.35
  6. Step 6: Final answer
    x = 21,974.38

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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.