Home / 28,757.38-39,683.67-16,182.94

Finding the Fourth Proportional to 28,757.38, 39,683.67 and 16,182.94

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Solution

The fourth proportional to 28,757.38, 39,683.67 and 16,182.94 is: 22,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.38 : 39,683.67 = 16,182.94 : x
  2. Step 2: Convert to fraction form
    28,757.38/39,683.67 = 16,182.94/x
  3. Step 3: Cross multiply
    28,757.38x = 39,683.67 × 16,182.94
  4. Step 4: Simplify right side
    28,757.38x = 642,198,450.59
  5. Step 5: Solve for x
    x = 642,198,450.59/28,757.38
  6. Step 6: Final answer
    x = 22,331.60

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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.