Home / 27,993.33-38,626.47-16,662.51

Finding the Fourth Proportional to 27,993.33, 38,626.47 and 16,662.51

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Solution

The fourth proportional to 27,993.33, 38,626.47 and 16,662.51 is: 22,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993.33 : 38,626.47 = 16,662.51 : x
  2. Step 2: Convert to fraction form
    27,993.33/38,626.47 = 16,662.51/x
  3. Step 3: Cross multiply
    27,993.33x = 38,626.47 × 16,662.51
  4. Step 4: Simplify right side
    27,993.33x = 643,613,942.64
  5. Step 5: Solve for x
    x = 643,613,942.64/27,993.33
  6. Step 6: Final answer
    x = 22,991.69

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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.