Home / 27,876.16-41,827.92-12,275.20

Finding the Fourth Proportional to 27,876.16, 41,827.92 and 12,275.20

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Solution

The fourth proportional to 27,876.16, 41,827.92 and 12,275.20 is: 18,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,876.16 : 41,827.92 = 12,275.20 : x
  2. Step 2: Convert to fraction form
    27,876.16/41,827.92 = 12,275.20/x
  3. Step 3: Cross multiply
    27,876.16x = 41,827.92 × 12,275.20
  4. Step 4: Simplify right side
    27,876.16x = 513,446,083.58
  5. Step 5: Solve for x
    x = 513,446,083.58/27,876.16
  6. Step 6: Final answer
    x = 18,418.82

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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.