Home / 26,831.67-40,231.09-12,795.99

Finding the Fourth Proportional to 26,831.67, 40,231.09 and 12,795.99

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Solution

The fourth proportional to 26,831.67, 40,231.09 and 12,795.99 is: 19,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.67 : 40,231.09 = 12,795.99 : x
  2. Step 2: Convert to fraction form
    26,831.67/40,231.09 = 12,795.99/x
  3. Step 3: Cross multiply
    26,831.67x = 40,231.09 × 12,795.99
  4. Step 4: Simplify right side
    26,831.67x = 514,796,625.33
  5. Step 5: Solve for x
    x = 514,796,625.33/26,831.67
  6. Step 6: Final answer
    x = 19,186.16

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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.