Home / 28,028.09-38,678.73-16,092.15

Finding the Fourth Proportional to 28,028.09, 38,678.73 and 16,092.15

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Solution

The fourth proportional to 28,028.09, 38,678.73 and 16,092.15 is: 22,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028.09 : 38,678.73 = 16,092.15 : x
  2. Step 2: Convert to fraction form
    28,028.09/38,678.73 = 16,092.15/x
  3. Step 3: Cross multiply
    28,028.09x = 38,678.73 × 16,092.15
  4. Step 4: Simplify right side
    28,028.09x = 622,423,924.97
  5. Step 5: Solve for x
    x = 622,423,924.97/28,028.09
  6. Step 6: Final answer
    x = 22,207.15

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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.