Home / 28,727.82-39,644.39-16,152.57

Finding the Fourth Proportional to 28,727.82, 39,644.39 and 16,152.57

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Solution

The fourth proportional to 28,727.82, 39,644.39 and 16,152.57 is: 22,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.82 : 39,644.39 = 16,152.57 : x
  2. Step 2: Convert to fraction form
    28,727.82/39,644.39 = 16,152.57/x
  3. Step 3: Cross multiply
    28,727.82x = 39,644.39 × 16,152.57
  4. Step 4: Simplify right side
    28,727.82x = 640,358,703.82
  5. Step 5: Solve for x
    x = 640,358,703.82/28,727.82
  6. Step 6: Final answer
    x = 22,290.54

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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.