Home / 27,831.36-41,703.26-21,521.64

Finding the Fourth Proportional to 27,831.36, 41,703.26 and 21,521.64

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Solution

The fourth proportional to 27,831.36, 41,703.26 and 21,521.64 is: 32,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.36 : 41,703.26 = 21,521.64 : x
  2. Step 2: Convert to fraction form
    27,831.36/41,703.26 = 21,521.64/x
  3. Step 3: Cross multiply
    27,831.36x = 41,703.26 × 21,521.64
  4. Step 4: Simplify right side
    27,831.36x = 897,522,440.94
  5. Step 5: Solve for x
    x = 897,522,440.94/27,831.36
  6. Step 6: Final answer
    x = 32,248.60

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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.