Home / 28,793.66-39,721.66-16,849.60

Finding the Fourth Proportional to 28,793.66, 39,721.66 and 16,849.60

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Solution

The fourth proportional to 28,793.66, 39,721.66 and 16,849.60 is: 23,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.66 : 39,721.66 = 16,849.60 : x
  2. Step 2: Convert to fraction form
    28,793.66/39,721.66 = 16,849.60/x
  3. Step 3: Cross multiply
    28,793.66x = 39,721.66 × 16,849.60
  4. Step 4: Simplify right side
    28,793.66x = 669,293,940.91
  5. Step 5: Solve for x
    x = 669,293,940.91/28,793.66
  6. Step 6: Final answer
    x = 23,244.49

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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.