Home / 27,578.05-41,371.18-12,788.46

Finding the Fourth Proportional to 27,578.05, 41,371.18 and 12,788.46

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Solution

The fourth proportional to 27,578.05, 41,371.18 and 12,788.46 is: 19,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.05 : 41,371.18 = 12,788.46 : x
  2. Step 2: Convert to fraction form
    27,578.05/41,371.18 = 12,788.46/x
  3. Step 3: Cross multiply
    27,578.05x = 41,371.18 × 12,788.46
  4. Step 4: Simplify right side
    27,578.05x = 529,073,803.75
  5. Step 5: Solve for x
    x = 529,073,803.75/27,578.05
  6. Step 6: Final answer
    x = 19,184.60

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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.