Home / 16,961.84-25,319.32-15,575.12

Finding the Fourth Proportional to 16,961.84, 25,319.32 and 15,575.12

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Solution

The fourth proportional to 16,961.84, 25,319.32 and 15,575.12 is: 23,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.84 : 25,319.32 = 15,575.12 : x
  2. Step 2: Convert to fraction form
    16,961.84/25,319.32 = 15,575.12/x
  3. Step 3: Cross multiply
    16,961.84x = 25,319.32 × 15,575.12
  4. Step 4: Simplify right side
    16,961.84x = 394,351,447.32
  5. Step 5: Solve for x
    x = 394,351,447.32/16,961.84
  6. Step 6: Final answer
    x = 23,249.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.