Home / 27,687.07-41,545.59-12,892.42

Finding the Fourth Proportional to 27,687.07, 41,545.59 and 12,892.42

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Solution

The fourth proportional to 27,687.07, 41,545.59 and 12,892.42 is: 19,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.07 : 41,545.59 = 12,892.42 : x
  2. Step 2: Convert to fraction form
    27,687.07/41,545.59 = 12,892.42/x
  3. Step 3: Cross multiply
    27,687.07x = 41,545.59 × 12,892.42
  4. Step 4: Simplify right side
    27,687.07x = 535,623,195.43
  5. Step 5: Solve for x
    x = 535,623,195.43/27,687.07
  6. Step 6: Final answer
    x = 19,345.61

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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.