Home / 20,028.60-30,042.92-13,769.67

Finding the Fourth Proportional to 20,028.60, 30,042.92 and 13,769.67

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Solution

The fourth proportional to 20,028.60, 30,042.92 and 13,769.67 is: 20,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.60 : 30,042.92 = 13,769.67 : x
  2. Step 2: Convert to fraction form
    20,028.60/30,042.92 = 13,769.67/x
  3. Step 3: Cross multiply
    20,028.60x = 30,042.92 × 13,769.67
  4. Step 4: Simplify right side
    20,028.60x = 413,681,241.32
  5. Step 5: Solve for x
    x = 413,681,241.32/20,028.60
  6. Step 6: Final answer
    x = 20,654.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.