Home / 27,239.82-37,588.92-15,305.14

Finding the Fourth Proportional to 27,239.82, 37,588.92 and 15,305.14

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Solution

The fourth proportional to 27,239.82, 37,588.92 and 15,305.14 is: 21,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239.82 : 37,588.92 = 15,305.14 : x
  2. Step 2: Convert to fraction form
    27,239.82/37,588.92 = 15,305.14/x
  3. Step 3: Cross multiply
    27,239.82x = 37,588.92 × 15,305.14
  4. Step 4: Simplify right side
    27,239.82x = 575,303,683.05
  5. Step 5: Solve for x
    x = 575,303,683.05/27,239.82
  6. Step 6: Final answer
    x = 21,119.95

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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.