Home / 28,021.88-38,668.62-17,411.42

Finding the Fourth Proportional to 28,021.88, 38,668.62 and 17,411.42

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Solution

The fourth proportional to 28,021.88, 38,668.62 and 17,411.42 is: 24,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,021.88 : 38,668.62 = 17,411.42 : x
  2. Step 2: Convert to fraction form
    28,021.88/38,668.62 = 17,411.42/x
  3. Step 3: Cross multiply
    28,021.88x = 38,668.62 × 17,411.42
  4. Step 4: Simplify right side
    28,021.88x = 673,275,583.64
  5. Step 5: Solve for x
    x = 673,275,583.64/28,021.88
  6. Step 6: Final answer
    x = 24,026.78

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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.