Home / 21,844.20-32,717.70-17,956.20

Finding the Fourth Proportional to 21,844.20, 32,717.70 and 17,956.20

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Solution

The fourth proportional to 21,844.20, 32,717.70 and 17,956.20 is: 26,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.20 : 32,717.70 = 17,956.20 : x
  2. Step 2: Convert to fraction form
    21,844.20/32,717.70 = 17,956.20/x
  3. Step 3: Cross multiply
    21,844.20x = 32,717.70 × 17,956.20
  4. Step 4: Simplify right side
    21,844.20x = 587,485,564.74
  5. Step 5: Solve for x
    x = 587,485,564.74/21,844.20
  6. Step 6: Final answer
    x = 26,894.35

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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.