Home / 27,858.62-41,788.33-9,140.12

Finding the Fourth Proportional to 27,858.62, 41,788.33 and 9,140.12

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Solution

The fourth proportional to 27,858.62, 41,788.33 and 9,140.12 is: 13,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,858.62 : 41,788.33 = 9,140.12 : x
  2. Step 2: Convert to fraction form
    27,858.62/41,788.33 = 9,140.12/x
  3. Step 3: Cross multiply
    27,858.62x = 41,788.33 × 9,140.12
  4. Step 4: Simplify right side
    27,858.62x = 381,950,350.80
  5. Step 5: Solve for x
    x = 381,950,350.80/27,858.62
  6. Step 6: Final answer
    x = 13,710.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.