Home / 19,519.75-29,279.57-15,083.87

Finding the Fourth Proportional to 19,519.75, 29,279.57 and 15,083.87

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Solution

The fourth proportional to 19,519.75, 29,279.57 and 15,083.87 is: 22,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.75 : 29,279.57 = 15,083.87 : x
  2. Step 2: Convert to fraction form
    19,519.75/29,279.57 = 15,083.87/x
  3. Step 3: Cross multiply
    19,519.75x = 29,279.57 × 15,083.87
  4. Step 4: Simplify right side
    19,519.75x = 441,649,227.54
  5. Step 5: Solve for x
    x = 441,649,227.54/19,519.75
  6. Step 6: Final answer
    x = 22,625.76

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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.