Home / 19,942.20-29,860.65-15,974.82

Finding the Fourth Proportional to 19,942.20, 29,860.65 and 15,974.82

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Solution

The fourth proportional to 19,942.20, 29,860.65 and 15,974.82 is: 23,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.20 : 29,860.65 = 15,974.82 : x
  2. Step 2: Convert to fraction form
    19,942.20/29,860.65 = 15,974.82/x
  3. Step 3: Cross multiply
    19,942.20x = 29,860.65 × 15,974.82
  4. Step 4: Simplify right side
    19,942.20x = 477,018,508.83
  5. Step 5: Solve for x
    x = 477,018,508.83/19,942.20
  6. Step 6: Final answer
    x = 23,920.05

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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.