Home / 41,620.80-57,398.22-28,211.52

Finding the Fourth Proportional to 41,620.80, 57,398.22 and 28,211.52

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Solution

The fourth proportional to 41,620.80, 57,398.22 and 28,211.52 is: 38,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,620.80 : 57,398.22 = 28,211.52 : x
  2. Step 2: Convert to fraction form
    41,620.80/57,398.22 = 28,211.52/x
  3. Step 3: Cross multiply
    41,620.80x = 57,398.22 × 28,211.52
  4. Step 4: Simplify right side
    41,620.80x = 1,619,291,031.49
  5. Step 5: Solve for x
    x = 1,619,291,031.49/41,620.80
  6. Step 6: Final answer
    x = 38,905.81

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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.