Home / 28,828.38-39,781.62-16,252.32

Finding the Fourth Proportional to 28,828.38, 39,781.62 and 16,252.32

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Solution

The fourth proportional to 28,828.38, 39,781.62 and 16,252.32 is: 22,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.38 : 39,781.62 = 16,252.32 : x
  2. Step 2: Convert to fraction form
    28,828.38/39,781.62 = 16,252.32/x
  3. Step 3: Cross multiply
    28,828.38x = 39,781.62 × 16,252.32
  4. Step 4: Simplify right side
    28,828.38x = 646,543,618.36
  5. Step 5: Solve for x
    x = 646,543,618.36/28,828.38
  6. Step 6: Final answer
    x = 22,427.33

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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.