Home / 28,194.66-38,912.78-16,255.67

Finding the Fourth Proportional to 28,194.66, 38,912.78 and 16,255.67

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Solution

The fourth proportional to 28,194.66, 38,912.78 and 16,255.67 is: 22,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.66 : 38,912.78 = 16,255.67 : x
  2. Step 2: Convert to fraction form
    28,194.66/38,912.78 = 16,255.67/x
  3. Step 3: Cross multiply
    28,194.66x = 38,912.78 × 16,255.67
  4. Step 4: Simplify right side
    28,194.66x = 632,553,310.46
  5. Step 5: Solve for x
    x = 632,553,310.46/28,194.66
  6. Step 6: Final answer
    x = 22,435.22

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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.