Home / 40,217.88-55,519.92-28,291.44

Finding the Fourth Proportional to 40,217.88, 55,519.92 and 28,291.44

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Solution

The fourth proportional to 40,217.88, 55,519.92 and 28,291.44 is: 39,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.88 : 55,519.92 = 28,291.44 : x
  2. Step 2: Convert to fraction form
    40,217.88/55,519.92 = 28,291.44/x
  3. Step 3: Cross multiply
    40,217.88x = 55,519.92 × 28,291.44
  4. Step 4: Simplify right side
    40,217.88x = 1,570,738,485.48
  5. Step 5: Solve for x
    x = 1,570,738,485.48/40,217.88
  6. Step 6: Final answer
    x = 39,055.73

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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.