Home / 20,584.22-28,391.61-17,426.73

Finding the Fourth Proportional to 20,584.22, 28,391.61 and 17,426.73

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Solution

The fourth proportional to 20,584.22, 28,391.61 and 17,426.73 is: 24,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.22 : 28,391.61 = 17,426.73 : x
  2. Step 2: Convert to fraction form
    20,584.22/28,391.61 = 17,426.73/x
  3. Step 3: Cross multiply
    20,584.22x = 28,391.61 × 17,426.73
  4. Step 4: Simplify right side
    20,584.22x = 494,772,921.74
  5. Step 5: Solve for x
    x = 494,772,921.74/20,584.22
  6. Step 6: Final answer
    x = 24,036.52

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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.