Home / 27,578.73-41,374.58-7,857.57

Finding the Fourth Proportional to 27,578.73, 41,374.58 and 7,857.57

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Solution

The fourth proportional to 27,578.73, 41,374.58 and 7,857.57 is: 11,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.73 : 41,374.58 = 7,857.57 : x
  2. Step 2: Convert to fraction form
    27,578.73/41,374.58 = 7,857.57/x
  3. Step 3: Cross multiply
    27,578.73x = 41,374.58 × 7,857.57
  4. Step 4: Simplify right side
    27,578.73x = 325,103,619.28
  5. Step 5: Solve for x
    x = 325,103,619.28/27,578.73
  6. Step 6: Final answer
    x = 11,788.20

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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.