Home / 20,028.67-30,043.11-5,237.62

Finding the Fourth Proportional to 20,028.67, 30,043.11 and 5,237.62

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Solution

The fourth proportional to 20,028.67, 30,043.11 and 5,237.62 is: 7,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.67 : 30,043.11 = 5,237.62 : x
  2. Step 2: Convert to fraction form
    20,028.67/30,043.11 = 5,237.62/x
  3. Step 3: Cross multiply
    20,028.67x = 30,043.11 × 5,237.62
  4. Step 4: Simplify right side
    20,028.67x = 157,354,217.39
  5. Step 5: Solve for x
    x = 157,354,217.39/20,028.67
  6. Step 6: Final answer
    x = 7,856.45

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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.