Home / 28,863.29-39,830.96-16,116.69

Finding the Fourth Proportional to 28,863.29, 39,830.96 and 16,116.69

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Solution

The fourth proportional to 28,863.29, 39,830.96 and 16,116.69 is: 22,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.29 : 39,830.96 = 16,116.69 : x
  2. Step 2: Convert to fraction form
    28,863.29/39,830.96 = 16,116.69/x
  3. Step 3: Cross multiply
    28,863.29x = 39,830.96 × 16,116.69
  4. Step 4: Simplify right side
    28,863.29x = 641,943,154.14
  5. Step 5: Solve for x
    x = 641,943,154.14/28,863.29
  6. Step 6: Final answer
    x = 22,240.82

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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.