Home / 28,850.70-39,814.48-16,922.64

Finding the Fourth Proportional to 28,850.70, 39,814.48 and 16,922.64

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Solution

The fourth proportional to 28,850.70, 39,814.48 and 16,922.64 is: 23,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.70 : 39,814.48 = 16,922.64 : x
  2. Step 2: Convert to fraction form
    28,850.70/39,814.48 = 16,922.64/x
  3. Step 3: Cross multiply
    28,850.70x = 39,814.48 × 16,922.64
  4. Step 4: Simplify right side
    28,850.70x = 673,766,111.83
  5. Step 5: Solve for x
    x = 673,766,111.83/28,850.70
  6. Step 6: Final answer
    x = 23,353.54

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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.