Home / 27,875.52-41,819.65-12,083.20

Finding the Fourth Proportional to 27,875.52, 41,819.65 and 12,083.20

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Solution

The fourth proportional to 27,875.52, 41,819.65 and 12,083.20 is: 18,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.52 : 41,819.65 = 12,083.20 : x
  2. Step 2: Convert to fraction form
    27,875.52/41,819.65 = 12,083.20/x
  3. Step 3: Cross multiply
    27,875.52x = 41,819.65 × 12,083.20
  4. Step 4: Simplify right side
    27,875.52x = 505,315,060.12
  5. Step 5: Solve for x
    x = 505,315,060.12/27,875.52
  6. Step 6: Final answer
    x = 18,127.56

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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.