Home / 25,879.86-38,811.60-11,084.85

Finding the Fourth Proportional to 25,879.86, 38,811.60 and 11,084.85

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Solution

The fourth proportional to 25,879.86, 38,811.60 and 11,084.85 is: 16,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,879.86 : 38,811.60 = 11,084.85 : x
  2. Step 2: Convert to fraction form
    25,879.86/38,811.60 = 11,084.85/x
  3. Step 3: Cross multiply
    25,879.86x = 38,811.60 × 11,084.85
  4. Step 4: Simplify right side
    25,879.86x = 430,220,764.26
  5. Step 5: Solve for x
    x = 430,220,764.26/25,879.86
  6. Step 6: Final answer
    x = 16,623.77

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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.