Home / 28,961.80-39,949.04-22,237.16

Finding the Fourth Proportional to 28,961.80, 39,949.04 and 22,237.16

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Solution

The fourth proportional to 28,961.80, 39,949.04 and 22,237.16 is: 30,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.80 : 39,949.04 = 22,237.16 : x
  2. Step 2: Convert to fraction form
    28,961.80/39,949.04 = 22,237.16/x
  3. Step 3: Cross multiply
    28,961.80x = 39,949.04 × 22,237.16
  4. Step 4: Simplify right side
    28,961.80x = 888,353,194.33
  5. Step 5: Solve for x
    x = 888,353,194.33/28,961.80
  6. Step 6: Final answer
    x = 30,673.27

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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.