Home / 27,558.10-41,342.28-12,757.24

Finding the Fourth Proportional to 27,558.10, 41,342.28 and 12,757.24

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Solution

The fourth proportional to 27,558.10, 41,342.28 and 12,757.24 is: 19,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558.10 : 41,342.28 = 12,757.24 : x
  2. Step 2: Convert to fraction form
    27,558.10/41,342.28 = 12,757.24/x
  3. Step 3: Cross multiply
    27,558.10x = 41,342.28 × 12,757.24
  4. Step 4: Simplify right side
    27,558.10x = 527,413,388.11
  5. Step 5: Solve for x
    x = 527,413,388.11/27,558.10
  6. Step 6: Final answer
    x = 19,138.23

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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.