Home / 28,945.33-39,946.24-16,198.41

Finding the Fourth Proportional to 28,945.33, 39,946.24 and 16,198.41

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Solution

The fourth proportional to 28,945.33, 39,946.24 and 16,198.41 is: 22,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.33 : 39,946.24 = 16,198.41 : x
  2. Step 2: Convert to fraction form
    28,945.33/39,946.24 = 16,198.41/x
  3. Step 3: Cross multiply
    28,945.33x = 39,946.24 × 16,198.41
  4. Step 4: Simplify right side
    28,945.33x = 647,065,373.75
  5. Step 5: Solve for x
    x = 647,065,373.75/28,945.33
  6. Step 6: Final answer
    x = 22,354.74

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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.