Home / 28,882.08-39,863.88-16,945.92

Finding the Fourth Proportional to 28,882.08, 39,863.88 and 16,945.92

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Solution

The fourth proportional to 28,882.08, 39,863.88 and 16,945.92 is: 23,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.08 : 39,863.88 = 16,945.92 : x
  2. Step 2: Convert to fraction form
    28,882.08/39,863.88 = 16,945.92/x
  3. Step 3: Cross multiply
    28,882.08x = 39,863.88 × 16,945.92
  4. Step 4: Simplify right side
    28,882.08x = 675,530,121.37
  5. Step 5: Solve for x
    x = 675,530,121.37/28,882.08
  6. Step 6: Final answer
    x = 23,389.25

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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.