Home / 28,311.45-42,471.18-9,596.82

Finding the Fourth Proportional to 28,311.45, 42,471.18 and 9,596.82

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Solution

The fourth proportional to 28,311.45, 42,471.18 and 9,596.82 is: 14,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,311.45 : 42,471.18 = 9,596.82 : x
  2. Step 2: Convert to fraction form
    28,311.45/42,471.18 = 9,596.82/x
  3. Step 3: Cross multiply
    28,311.45x = 42,471.18 × 9,596.82
  4. Step 4: Simplify right side
    28,311.45x = 407,588,269.65
  5. Step 5: Solve for x
    x = 407,588,269.65/28,311.45
  6. Step 6: Final answer
    x = 14,396.59

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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.