Home / 19,972.44-29,911.97-15,784.34

Finding the Fourth Proportional to 19,972.44, 29,911.97 and 15,784.34

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Solution

The fourth proportional to 19,972.44, 29,911.97 and 15,784.34 is: 23,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.44 : 29,911.97 = 15,784.34 : x
  2. Step 2: Convert to fraction form
    19,972.44/29,911.97 = 15,784.34/x
  3. Step 3: Cross multiply
    19,972.44x = 29,911.97 × 15,784.34
  4. Step 4: Simplify right side
    19,972.44x = 472,140,594.45
  5. Step 5: Solve for x
    x = 472,140,594.45/19,972.44
  6. Step 6: Final answer
    x = 23,639.61

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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.