Home / 28,414.06-39,220.01-16,480.33

Finding the Fourth Proportional to 28,414.06, 39,220.01 and 16,480.33

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Solution

The fourth proportional to 28,414.06, 39,220.01 and 16,480.33 is: 22,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.06 : 39,220.01 = 16,480.33 : x
  2. Step 2: Convert to fraction form
    28,414.06/39,220.01 = 16,480.33/x
  3. Step 3: Cross multiply
    28,414.06x = 39,220.01 × 16,480.33
  4. Step 4: Simplify right side
    28,414.06x = 646,358,707.40
  5. Step 5: Solve for x
    x = 646,358,707.40/28,414.06
  6. Step 6: Final answer
    x = 22,747.85

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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.