Home / 19,120.50-28,675.26-8,029.68

Finding the Fourth Proportional to 19,120.50, 28,675.26 and 8,029.68

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Solution

The fourth proportional to 19,120.50, 28,675.26 and 8,029.68 is: 12,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.50 : 28,675.26 = 8,029.68 : x
  2. Step 2: Convert to fraction form
    19,120.50/28,675.26 = 8,029.68/x
  3. Step 3: Cross multiply
    19,120.50x = 28,675.26 × 8,029.68
  4. Step 4: Simplify right side
    19,120.50x = 230,253,161.72
  5. Step 5: Solve for x
    x = 230,253,161.72/19,120.50
  6. Step 6: Final answer
    x = 12,042.21

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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.