Home / 27,750.56-38,296.69-15,175.31

Finding the Fourth Proportional to 27,750.56, 38,296.69 and 15,175.31

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Solution

The fourth proportional to 27,750.56, 38,296.69 and 15,175.31 is: 20,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.56 : 38,296.69 = 15,175.31 : x
  2. Step 2: Convert to fraction form
    27,750.56/38,296.69 = 15,175.31/x
  3. Step 3: Cross multiply
    27,750.56x = 38,296.69 × 15,175.31
  4. Step 4: Simplify right side
    27,750.56x = 581,164,142.72
  5. Step 5: Solve for x
    x = 581,164,142.72/27,750.56
  6. Step 6: Final answer
    x = 20,942.43

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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.