Home / 28,165.33-38,865.49-16,832.57

Finding the Fourth Proportional to 28,165.33, 38,865.49 and 16,832.57

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Solution

The fourth proportional to 28,165.33, 38,865.49 and 16,832.57 is: 23,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.33 : 38,865.49 = 16,832.57 : x
  2. Step 2: Convert to fraction form
    28,165.33/38,865.49 = 16,832.57/x
  3. Step 3: Cross multiply
    28,165.33x = 38,865.49 × 16,832.57
  4. Step 4: Simplify right side
    28,165.33x = 654,206,081.01
  5. Step 5: Solve for x
    x = 654,206,081.01/28,165.33
  6. Step 6: Final answer
    x = 23,227.35

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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.