Home / 27,638.10-41,463.51-7,916.82

Finding the Fourth Proportional to 27,638.10, 41,463.51 and 7,916.82

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Solution

The fourth proportional to 27,638.10, 41,463.51 and 7,916.82 is: 11,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.10 : 41,463.51 = 7,916.82 : x
  2. Step 2: Convert to fraction form
    27,638.10/41,463.51 = 7,916.82/x
  3. Step 3: Cross multiply
    27,638.10x = 41,463.51 × 7,916.82
  4. Step 4: Simplify right side
    27,638.10x = 328,259,145.24
  5. Step 5: Solve for x
    x = 328,259,145.24/27,638.10
  6. Step 6: Final answer
    x = 11,877.05

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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.