Home / 27,987.30-41,971.17-8,260.62

Finding the Fourth Proportional to 27,987.30, 41,971.17 and 8,260.62

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Solution

The fourth proportional to 27,987.30, 41,971.17 and 8,260.62 is: 12,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,987.30 : 41,971.17 = 8,260.62 : x
  2. Step 2: Convert to fraction form
    27,987.30/41,971.17 = 8,260.62/x
  3. Step 3: Cross multiply
    27,987.30x = 41,971.17 × 8,260.62
  4. Step 4: Simplify right side
    27,987.30x = 346,707,886.33
  5. Step 5: Solve for x
    x = 346,707,886.33/27,987.30
  6. Step 6: Final answer
    x = 12,388.04

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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.