Home / 27,240.16-40,831.12-17,876.64

Finding the Fourth Proportional to 27,240.16, 40,831.12 and 17,876.64

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Solution

The fourth proportional to 27,240.16, 40,831.12 and 17,876.64 is: 26,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.16 : 40,831.12 = 17,876.64 : x
  2. Step 2: Convert to fraction form
    27,240.16/40,831.12 = 17,876.64/x
  3. Step 3: Cross multiply
    27,240.16x = 40,831.12 × 17,876.64
  4. Step 4: Simplify right side
    27,240.16x = 729,923,233.04
  5. Step 5: Solve for x
    x = 729,923,233.04/27,240.16
  6. Step 6: Final answer
    x = 26,795.85

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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.