Home / 20,949.69-28,877.28-16,465.73

Finding the Fourth Proportional to 20,949.69, 28,877.28 and 16,465.73

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Solution

The fourth proportional to 20,949.69, 28,877.28 and 16,465.73 is: 22,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,949.69 : 28,877.28 = 16,465.73 : x
  2. Step 2: Convert to fraction form
    20,949.69/28,877.28 = 16,465.73/x
  3. Step 3: Cross multiply
    20,949.69x = 28,877.28 × 16,465.73
  4. Step 4: Simplify right side
    20,949.69x = 475,485,451.92
  5. Step 5: Solve for x
    x = 475,485,451.92/20,949.69
  6. Step 6: Final answer
    x = 22,696.54

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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.