Home / 21,837.20-32,707.20-17,949.20

Finding the Fourth Proportional to 21,837.20, 32,707.20 and 17,949.20

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Solution

The fourth proportional to 21,837.20, 32,707.20 and 17,949.20 is: 26,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.20 : 32,707.20 = 17,949.20 : x
  2. Step 2: Convert to fraction form
    21,837.20/32,707.20 = 17,949.20/x
  3. Step 3: Cross multiply
    21,837.20x = 32,707.20 × 17,949.20
  4. Step 4: Simplify right side
    21,837.20x = 587,068,074.24
  5. Step 5: Solve for x
    x = 587,068,074.24/21,837.20
  6. Step 6: Final answer
    x = 26,883.85

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1.5x scale

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.