Home / 19,831.28-29,738.28-5,977.04

Finding the Fourth Proportional to 19,831.28, 29,738.28 and 5,977.04

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Solution

The fourth proportional to 19,831.28, 29,738.28 and 5,977.04 is: 8,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.28 : 29,738.28 = 5,977.04 : x
  2. Step 2: Convert to fraction form
    19,831.28/29,738.28 = 5,977.04/x
  3. Step 3: Cross multiply
    19,831.28x = 29,738.28 × 5,977.04
  4. Step 4: Simplify right side
    19,831.28x = 177,746,889.09
  5. Step 5: Solve for x
    x = 177,746,889.09/19,831.28
  6. Step 6: Final answer
    x = 8,962.96

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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.