Home / 19,229.50-28,845.33-5,379.58

Finding the Fourth Proportional to 19,229.50, 28,845.33 and 5,379.58

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Solution

The fourth proportional to 19,229.50, 28,845.33 and 5,379.58 is: 8,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.50 : 28,845.33 = 5,379.58 : x
  2. Step 2: Convert to fraction form
    19,229.50/28,845.33 = 5,379.58/x
  3. Step 3: Cross multiply
    19,229.50x = 28,845.33 × 5,379.58
  4. Step 4: Simplify right side
    19,229.50x = 155,175,760.36
  5. Step 5: Solve for x
    x = 155,175,760.36/19,229.50
  6. Step 6: Final answer
    x = 8,069.67

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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.