Home / 20,401.67-28,104.05-17,367.08

Finding the Fourth Proportional to 20,401.67, 28,104.05 and 17,367.08

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Solution

The fourth proportional to 20,401.67, 28,104.05 and 17,367.08 is: 23,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401.67 : 28,104.05 = 17,367.08 : x
  2. Step 2: Convert to fraction form
    20,401.67/28,104.05 = 17,367.08/x
  3. Step 3: Cross multiply
    20,401.67x = 28,104.05 × 17,367.08
  4. Step 4: Simplify right side
    20,401.67x = 488,085,168.48
  5. Step 5: Solve for x
    x = 488,085,168.48/20,401.67
  6. Step 6: Final answer
    x = 23,923.79

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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.