Home / 27,608.04-38,083.37-16,990.16

Finding the Fourth Proportional to 27,608.04, 38,083.37 and 16,990.16

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Solution

The fourth proportional to 27,608.04, 38,083.37 and 16,990.16 is: 23,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.04 : 38,083.37 = 16,990.16 : x
  2. Step 2: Convert to fraction form
    27,608.04/38,083.37 = 16,990.16/x
  3. Step 3: Cross multiply
    27,608.04x = 38,083.37 × 16,990.16
  4. Step 4: Simplify right side
    27,608.04x = 647,042,274.27
  5. Step 5: Solve for x
    x = 647,042,274.27/27,608.04
  6. Step 6: Final answer
    x = 23,436.73

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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.