Home / 28,939.41-39,936.33-16,364.16

Finding the Fourth Proportional to 28,939.41, 39,936.33 and 16,364.16

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Solution

The fourth proportional to 28,939.41, 39,936.33 and 16,364.16 is: 22,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.41 : 39,936.33 = 16,364.16 : x
  2. Step 2: Convert to fraction form
    28,939.41/39,936.33 = 16,364.16/x
  3. Step 3: Cross multiply
    28,939.41x = 39,936.33 × 16,364.16
  4. Step 4: Simplify right side
    28,939.41x = 653,524,493.93
  5. Step 5: Solve for x
    x = 653,524,493.93/28,939.41
  6. Step 6: Final answer
    x = 22,582.51

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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.