Home / 27,091.57-37,393.88-15,763.25

Finding the Fourth Proportional to 27,091.57, 37,393.88 and 15,763.25

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Solution

The fourth proportional to 27,091.57, 37,393.88 and 15,763.25 is: 21,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.57 : 37,393.88 = 15,763.25 : x
  2. Step 2: Convert to fraction form
    27,091.57/37,393.88 = 15,763.25/x
  3. Step 3: Cross multiply
    27,091.57x = 37,393.88 × 15,763.25
  4. Step 4: Simplify right side
    27,091.57x = 589,449,078.91
  5. Step 5: Solve for x
    x = 589,449,078.91/27,091.57
  6. Step 6: Final answer
    x = 21,757.66

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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.