Home / 20,155.26-30,097.07-16,464.78

Finding the Fourth Proportional to 20,155.26, 30,097.07 and 16,464.78

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Solution

The fourth proportional to 20,155.26, 30,097.07 and 16,464.78 is: 24,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155.26 : 30,097.07 = 16,464.78 : x
  2. Step 2: Convert to fraction form
    20,155.26/30,097.07 = 16,464.78/x
  3. Step 3: Cross multiply
    20,155.26x = 30,097.07 × 16,464.78
  4. Step 4: Simplify right side
    20,155.26x = 495,541,553.87
  5. Step 5: Solve for x
    x = 495,541,553.87/20,155.26
  6. Step 6: Final answer
    x = 24,586.21

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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.