Home / 25,971.92-35,832.82-15,889.85

Finding the Fourth Proportional to 25,971.92, 35,832.82 and 15,889.85

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Solution

The fourth proportional to 25,971.92, 35,832.82 and 15,889.85 is: 21,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,971.92 : 35,832.82 = 15,889.85 : x
  2. Step 2: Convert to fraction form
    25,971.92/35,832.82 = 15,889.85/x
  3. Step 3: Cross multiply
    25,971.92x = 35,832.82 × 15,889.85
  4. Step 4: Simplify right side
    25,971.92x = 569,377,876.26
  5. Step 5: Solve for x
    x = 569,377,876.26/25,971.92
  6. Step 6: Final answer
    x = 21,922.83

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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.