Home / 20,584.27-28,390.62-17,717.88

Finding the Fourth Proportional to 20,584.27, 28,390.62 and 17,717.88

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Solution

The fourth proportional to 20,584.27, 28,390.62 and 17,717.88 is: 24,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.27 : 28,390.62 = 17,717.88 : x
  2. Step 2: Convert to fraction form
    20,584.27/28,390.62 = 17,717.88/x
  3. Step 3: Cross multiply
    20,584.27x = 28,390.62 × 17,717.88
  4. Step 4: Simplify right side
    20,584.27x = 503,021,464.37
  5. Step 5: Solve for x
    x = 503,021,464.37/20,584.27
  6. Step 6: Final answer
    x = 24,437.18

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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.