Home / 27,831.48-38,388.17-17,214.81

Finding the Fourth Proportional to 27,831.48, 38,388.17 and 17,214.81

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Solution

The fourth proportional to 27,831.48, 38,388.17 and 17,214.81 is: 23,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.48 : 38,388.17 = 17,214.81 : x
  2. Step 2: Convert to fraction form
    27,831.48/38,388.17 = 17,214.81/x
  3. Step 3: Cross multiply
    27,831.48x = 38,388.17 × 17,214.81
  4. Step 4: Simplify right side
    27,831.48x = 660,844,966.72
  5. Step 5: Solve for x
    x = 660,844,966.72/27,831.48
  6. Step 6: Final answer
    x = 23,744.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.