Home / 17,879.80-24,586.62-15,517.84

Finding the Fourth Proportional to 17,879.80, 24,586.62 and 15,517.84

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Solution

The fourth proportional to 17,879.80, 24,586.62 and 15,517.84 is: 21,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.80 : 24,586.62 = 15,517.84 : x
  2. Step 2: Convert to fraction form
    17,879.80/24,586.62 = 15,517.84/x
  3. Step 3: Cross multiply
    17,879.80x = 24,586.62 × 15,517.84
  4. Step 4: Simplify right side
    17,879.80x = 381,531,235.30
  5. Step 5: Solve for x
    x = 381,531,235.30/17,879.80
  6. Step 6: Final answer
    x = 21,338.67

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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.