Home / 27,581.11-41,371.66-12,788.08

Finding the Fourth Proportional to 27,581.11, 41,371.66 and 12,788.08

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Solution

The fourth proportional to 27,581.11, 41,371.66 and 12,788.08 is: 19,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.11 : 41,371.66 = 12,788.08 : x
  2. Step 2: Convert to fraction form
    27,581.11/41,371.66 = 12,788.08/x
  3. Step 3: Cross multiply
    27,581.11x = 41,371.66 × 12,788.08
  4. Step 4: Simplify right side
    27,581.11x = 529,064,010.37
  5. Step 5: Solve for x
    x = 529,064,010.37/27,581.11
  6. Step 6: Final answer
    x = 19,182.12

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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.