Home / 18,889.28-28,446.38-16,453.52

Finding the Fourth Proportional to 18,889.28, 28,446.38 and 16,453.52

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Solution

The fourth proportional to 18,889.28, 28,446.38 and 16,453.52 is: 24,778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.28 : 28,446.38 = 16,453.52 : x
  2. Step 2: Convert to fraction form
    18,889.28/28,446.38 = 16,453.52/x
  3. Step 3: Cross multiply
    18,889.28x = 28,446.38 × 16,453.52
  4. Step 4: Simplify right side
    18,889.28x = 468,043,082.26
  5. Step 5: Solve for x
    x = 468,043,082.26/18,889.28
  6. Step 6: Final answer
    x = 24,778.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.