Home / 28,940.37-39,939.69-16,194.75

Finding the Fourth Proportional to 28,940.37, 39,939.69 and 16,194.75

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Solution

The fourth proportional to 28,940.37, 39,939.69 and 16,194.75 is: 22,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.37 : 39,939.69 = 16,194.75 : x
  2. Step 2: Convert to fraction form
    28,940.37/39,939.69 = 16,194.75/x
  3. Step 3: Cross multiply
    28,940.37x = 39,939.69 × 16,194.75
  4. Step 4: Simplify right side
    28,940.37x = 646,813,294.63
  5. Step 5: Solve for x
    x = 646,813,294.63/28,940.37
  6. Step 6: Final answer
    x = 22,349.86

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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.