Home / 21,719.06-32,633.26-13,825.20

Finding the Fourth Proportional to 21,719.06, 32,633.26 and 13,825.20

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Solution

The fourth proportional to 21,719.06, 32,633.26 and 13,825.20 is: 20,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.06 : 32,633.26 = 13,825.20 : x
  2. Step 2: Convert to fraction form
    21,719.06/32,633.26 = 13,825.20/x
  3. Step 3: Cross multiply
    21,719.06x = 32,633.26 × 13,825.20
  4. Step 4: Simplify right side
    21,719.06x = 451,161,346.15
  5. Step 5: Solve for x
    x = 451,161,346.15/21,719.06
  6. Step 6: Final answer
    x = 20,772.60

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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.