Home / 41,921.15-57,821.88-28,469.07

Finding the Fourth Proportional to 41,921.15, 57,821.88 and 28,469.07

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Solution

The fourth proportional to 41,921.15, 57,821.88 and 28,469.07 is: 39,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,921.15 : 57,821.88 = 28,469.07 : x
  2. Step 2: Convert to fraction form
    41,921.15/57,821.88 = 28,469.07/x
  3. Step 3: Cross multiply
    41,921.15x = 57,821.88 × 28,469.07
  4. Step 4: Simplify right side
    41,921.15x = 1,646,135,256.01
  5. Step 5: Solve for x
    x = 1,646,135,256.01/41,921.15
  6. Step 6: Final answer
    x = 39,267.42

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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.