Home / 28,936.91-39,932.75-16,190.03

Finding the Fourth Proportional to 28,936.91, 39,932.75 and 16,190.03

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Solution

The fourth proportional to 28,936.91, 39,932.75 and 16,190.03 is: 22,342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.91 : 39,932.75 = 16,190.03 : x
  2. Step 2: Convert to fraction form
    28,936.91/39,932.75 = 16,190.03/x
  3. Step 3: Cross multiply
    28,936.91x = 39,932.75 × 16,190.03
  4. Step 4: Simplify right side
    28,936.91x = 646,512,139.87
  5. Step 5: Solve for x
    x = 646,512,139.87/28,936.91
  6. Step 6: Final answer
    x = 22,342.13

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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.