Home / 27,121.50-37,427.28-15,184.83

Finding the Fourth Proportional to 27,121.50, 37,427.28 and 15,184.83

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Solution

The fourth proportional to 27,121.50, 37,427.28 and 15,184.83 is: 20,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.50 : 37,427.28 = 15,184.83 : x
  2. Step 2: Convert to fraction form
    27,121.50/37,427.28 = 15,184.83/x
  3. Step 3: Cross multiply
    27,121.50x = 37,427.28 × 15,184.83
  4. Step 4: Simplify right side
    27,121.50x = 568,326,884.16
  5. Step 5: Solve for x
    x = 568,326,884.16/27,121.50
  6. Step 6: Final answer
    x = 20,954.85

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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.