Home / 28,768.46-39,687.66-16,826.54

Finding the Fourth Proportional to 28,768.46, 39,687.66 and 16,826.54

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Solution

The fourth proportional to 28,768.46, 39,687.66 and 16,826.54 is: 23,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.46 : 39,687.66 = 16,826.54 : x
  2. Step 2: Convert to fraction form
    28,768.46/39,687.66 = 16,826.54/x
  3. Step 3: Cross multiply
    28,768.46x = 39,687.66 × 16,826.54
  4. Step 4: Simplify right side
    28,768.46x = 667,805,998.50
  5. Step 5: Solve for x
    x = 667,805,998.50/28,768.46
  6. Step 6: Final answer
    x = 23,213.13

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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.