Home / 28,329.67-39,092.56-16,393.78

Finding the Fourth Proportional to 28,329.67, 39,092.56 and 16,393.78

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Solution

The fourth proportional to 28,329.67, 39,092.56 and 16,393.78 is: 22,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.67 : 39,092.56 = 16,393.78 : x
  2. Step 2: Convert to fraction form
    28,329.67/39,092.56 = 16,393.78/x
  3. Step 3: Cross multiply
    28,329.67x = 39,092.56 × 16,393.78
  4. Step 4: Simplify right side
    28,329.67x = 640,874,689.56
  5. Step 5: Solve for x
    x = 640,874,689.56/28,329.67
  6. Step 6: Final answer
    x = 22,622.03

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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.