Home / 39,548.24-54,519.80-28,198.04

Finding the Fourth Proportional to 39,548.24, 54,519.80 and 28,198.04

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Solution

The fourth proportional to 39,548.24, 54,519.80 and 28,198.04 is: 38,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,548.24 : 54,519.80 = 28,198.04 : x
  2. Step 2: Convert to fraction form
    39,548.24/54,519.80 = 28,198.04/x
  3. Step 3: Cross multiply
    39,548.24x = 54,519.80 × 28,198.04
  4. Step 4: Simplify right side
    39,548.24x = 1,537,351,707.99
  5. Step 5: Solve for x
    x = 1,537,351,707.99/39,548.24
  6. Step 6: Final answer
    x = 38,872.83

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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.