Home / 28,329.66-39,092.55-16,393.77

Finding the Fourth Proportional to 28,329.66, 39,092.55 and 16,393.77

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Solution

The fourth proportional to 28,329.66, 39,092.55 and 16,393.77 is: 22,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.66 : 39,092.55 = 16,393.77 : x
  2. Step 2: Convert to fraction form
    28,329.66/39,092.55 = 16,393.77/x
  3. Step 3: Cross multiply
    28,329.66x = 39,092.55 × 16,393.77
  4. Step 4: Simplify right side
    28,329.66x = 640,874,273.41
  5. Step 5: Solve for x
    x = 640,874,273.41/28,329.66
  6. Step 6: Final answer
    x = 22,622.02

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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.