Home / 28,452.24-42,664.70-13,446.86

Finding the Fourth Proportional to 28,452.24, 42,664.70 and 13,446.86

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Solution

The fourth proportional to 28,452.24, 42,664.70 and 13,446.86 is: 20,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452.24 : 42,664.70 = 13,446.86 : x
  2. Step 2: Convert to fraction form
    28,452.24/42,664.70 = 13,446.86/x
  3. Step 3: Cross multiply
    28,452.24x = 42,664.70 × 13,446.86
  4. Step 4: Simplify right side
    28,452.24x = 573,706,247.84
  5. Step 5: Solve for x
    x = 573,706,247.84/28,452.24
  6. Step 6: Final answer
    x = 20,163.83

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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.