Home / 28,231.72-38,961.54-16,297.24

Finding the Fourth Proportional to 28,231.72, 38,961.54 and 16,297.24

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Solution

The fourth proportional to 28,231.72, 38,961.54 and 16,297.24 is: 22,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231.72 : 38,961.54 = 16,297.24 : x
  2. Step 2: Convert to fraction form
    28,231.72/38,961.54 = 16,297.24/x
  3. Step 3: Cross multiply
    28,231.72x = 38,961.54 × 16,297.24
  4. Step 4: Simplify right side
    28,231.72x = 634,965,568.15
  5. Step 5: Solve for x
    x = 634,965,568.15/28,231.72
  6. Step 6: Final answer
    x = 22,491.21

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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.