Home / 27,149.79-40,736.57-12,360.27

Finding the Fourth Proportional to 27,149.79, 40,736.57 and 12,360.27

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Solution

The fourth proportional to 27,149.79, 40,736.57 and 12,360.27 is: 18,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,149.79 : 40,736.57 = 12,360.27 : x
  2. Step 2: Convert to fraction form
    27,149.79/40,736.57 = 12,360.27/x
  3. Step 3: Cross multiply
    27,149.79x = 40,736.57 × 12,360.27
  4. Step 4: Simplify right side
    27,149.79x = 503,514,942.27
  5. Step 5: Solve for x
    x = 503,514,942.27/27,149.79
  6. Step 6: Final answer
    x = 18,545.81

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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.