Home / 28,874.40-39,849.48-17,541.42

Finding the Fourth Proportional to 28,874.40, 39,849.48 and 17,541.42

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Solution

The fourth proportional to 28,874.40, 39,849.48 and 17,541.42 is: 24,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.40 : 39,849.48 = 17,541.42 : x
  2. Step 2: Convert to fraction form
    28,874.40/39,849.48 = 17,541.42/x
  3. Step 3: Cross multiply
    28,874.40x = 39,849.48 × 17,541.42
  4. Step 4: Simplify right side
    28,874.40x = 699,016,465.46
  5. Step 5: Solve for x
    x = 699,016,465.46/28,874.40
  6. Step 6: Final answer
    x = 24,208.87

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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.