Home / 25,910.72-38,867.30-8,381.92

Finding the Fourth Proportional to 25,910.72, 38,867.30 and 8,381.92

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Solution

The fourth proportional to 25,910.72, 38,867.30 and 8,381.92 is: 12,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,910.72 : 38,867.30 = 8,381.92 : x
  2. Step 2: Convert to fraction form
    25,910.72/38,867.30 = 8,381.92/x
  3. Step 3: Cross multiply
    25,910.72x = 38,867.30 × 8,381.92
  4. Step 4: Simplify right side
    25,910.72x = 325,782,362.97
  5. Step 5: Solve for x
    x = 325,782,362.97/25,910.72
  6. Step 6: Final answer
    x = 12,573.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.