Home / 25,249.48-34,840.22-15,175.52

Finding the Fourth Proportional to 25,249.48, 34,840.22 and 15,175.52

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Solution

The fourth proportional to 25,249.48, 34,840.22 and 15,175.52 is: 20,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249.48 : 34,840.22 = 15,175.52 : x
  2. Step 2: Convert to fraction form
    25,249.48/34,840.22 = 15,175.52/x
  3. Step 3: Cross multiply
    25,249.48x = 34,840.22 × 15,175.52
  4. Step 4: Simplify right side
    25,249.48x = 528,718,455.41
  5. Step 5: Solve for x
    x = 528,718,455.41/25,249.48
  6. Step 6: Final answer
    x = 20,939.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.