Home / 28,845.59-39,806.96-16,098.78

Finding the Fourth Proportional to 28,845.59, 39,806.96 and 16,098.78

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Solution

The fourth proportional to 28,845.59, 39,806.96 and 16,098.78 is: 22,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.59 : 39,806.96 = 16,098.78 : x
  2. Step 2: Convert to fraction form
    28,845.59/39,806.96 = 16,098.78/x
  3. Step 3: Cross multiply
    28,845.59x = 39,806.96 × 16,098.78
  4. Step 4: Simplify right side
    28,845.59x = 640,843,325.68
  5. Step 5: Solve for x
    x = 640,843,325.68/28,845.59
  6. Step 6: Final answer
    x = 22,216.33

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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.