Home / 20,242.82-27,913.90-17,419.77

Finding the Fourth Proportional to 20,242.82, 27,913.90 and 17,419.77

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Solution

The fourth proportional to 20,242.82, 27,913.90 and 17,419.77 is: 24,021.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.82 : 27,913.90 = 17,419.77 : x
  2. Step 2: Convert to fraction form
    20,242.82/27,913.90 = 17,419.77/x
  3. Step 3: Cross multiply
    20,242.82x = 27,913.90 × 17,419.77
  4. Step 4: Simplify right side
    20,242.82x = 486,253,706.92
  5. Step 5: Solve for x
    x = 486,253,706.92/20,242.82
  6. Step 6: Final answer
    x = 24,021.04

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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.