Home / 25,835.78-38,751.51-10,249.22

Finding the Fourth Proportional to 25,835.78, 38,751.51 and 10,249.22

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Solution

The fourth proportional to 25,835.78, 38,751.51 and 10,249.22 is: 15,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,835.78 : 38,751.51 = 10,249.22 : x
  2. Step 2: Convert to fraction form
    25,835.78/38,751.51 = 10,249.22/x
  3. Step 3: Cross multiply
    25,835.78x = 38,751.51 × 10,249.22
  4. Step 4: Simplify right side
    25,835.78x = 397,172,751.32
  5. Step 5: Solve for x
    x = 397,172,751.32/25,835.78
  6. Step 6: Final answer
    x = 15,372.97

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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.