Home / 22,279.85-33,419.46-5,639.76

Finding the Fourth Proportional to 22,279.85, 33,419.46 and 5,639.76

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Solution

The fourth proportional to 22,279.85, 33,419.46 and 5,639.76 is: 8,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.85 : 33,419.46 = 5,639.76 : x
  2. Step 2: Convert to fraction form
    22,279.85/33,419.46 = 5,639.76/x
  3. Step 3: Cross multiply
    22,279.85x = 33,419.46 × 5,639.76
  4. Step 4: Simplify right side
    22,279.85x = 188,477,733.73
  5. Step 5: Solve for x
    x = 188,477,733.73/22,279.85
  6. Step 6: Final answer
    x = 8,459.56

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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.