Home / 21,831.84-30,095.28-17,107.92

Finding the Fourth Proportional to 21,831.84, 30,095.28 and 17,107.92

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Solution

The fourth proportional to 21,831.84, 30,095.28 and 17,107.92 is: 23,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831.84 : 30,095.28 = 17,107.92 : x
  2. Step 2: Convert to fraction form
    21,831.84/30,095.28 = 17,107.92/x
  3. Step 3: Cross multiply
    21,831.84x = 30,095.28 × 17,107.92
  4. Step 4: Simplify right side
    21,831.84x = 514,867,642.62
  5. Step 5: Solve for x
    x = 514,867,642.62/21,831.84
  6. Step 6: Final answer
    x = 23,583.34

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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.