Home / 27,157.82-37,474.15-15,673.17

Finding the Fourth Proportional to 27,157.82, 37,474.15 and 15,673.17

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Solution

The fourth proportional to 27,157.82, 37,474.15 and 15,673.17 is: 21,626.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.82 : 37,474.15 = 15,673.17 : x
  2. Step 2: Convert to fraction form
    27,157.82/37,474.15 = 15,673.17/x
  3. Step 3: Cross multiply
    27,157.82x = 37,474.15 × 15,673.17
  4. Step 4: Simplify right side
    27,157.82x = 587,338,645.19
  5. Step 5: Solve for x
    x = 587,338,645.19/27,157.82
  6. Step 6: Final answer
    x = 21,626.87

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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.