Home / 27,167.40-37,443.87-20,441.16

Finding the Fourth Proportional to 27,167.40, 37,443.87 and 20,441.16

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Solution

The fourth proportional to 27,167.40, 37,443.87 and 20,441.16 is: 28,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.40 : 37,443.87 = 20,441.16 : x
  2. Step 2: Convert to fraction form
    27,167.40/37,443.87 = 20,441.16/x
  3. Step 3: Cross multiply
    27,167.40x = 37,443.87 × 20,441.16
  4. Step 4: Simplify right side
    27,167.40x = 765,396,137.69
  5. Step 5: Solve for x
    x = 765,396,137.69/27,167.40
  6. Step 6: Final answer
    x = 28,173.33

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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.