Home / 28,211.58-38,933.26-16,113.12

Finding the Fourth Proportional to 28,211.58, 38,933.26 and 16,113.12

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Solution

The fourth proportional to 28,211.58, 38,933.26 and 16,113.12 is: 22,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.58 : 38,933.26 = 16,113.12 : x
  2. Step 2: Convert to fraction form
    28,211.58/38,933.26 = 16,113.12/x
  3. Step 3: Cross multiply
    28,211.58x = 38,933.26 × 16,113.12
  4. Step 4: Simplify right side
    28,211.58x = 627,336,250.09
  5. Step 5: Solve for x
    x = 627,336,250.09/28,211.58
  6. Step 6: Final answer
    x = 22,236.84

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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.