Home / 25,910.69-38,874.20-19,700.42

Finding the Fourth Proportional to 25,910.69, 38,874.20 and 19,700.42

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Solution

The fourth proportional to 25,910.69, 38,874.20 and 19,700.42 is: 29,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,910.69 : 38,874.20 = 19,700.42 : x
  2. Step 2: Convert to fraction form
    25,910.69/38,874.20 = 19,700.42/x
  3. Step 3: Cross multiply
    25,910.69x = 38,874.20 × 19,700.42
  4. Step 4: Simplify right side
    25,910.69x = 765,837,774.29
  5. Step 5: Solve for x
    x = 765,837,774.29/25,910.69
  6. Step 6: Final answer
    x = 29,556.83

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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.