Home / 21,824.30-32,741.31-9,344.90

Finding the Fourth Proportional to 21,824.30, 32,741.31 and 9,344.90

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Solution

The fourth proportional to 21,824.30, 32,741.31 and 9,344.90 is: 14,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824.30 : 32,741.31 = 9,344.90 : x
  2. Step 2: Convert to fraction form
    21,824.30/32,741.31 = 9,344.90/x
  3. Step 3: Cross multiply
    21,824.30x = 32,741.31 × 9,344.90
  4. Step 4: Simplify right side
    21,824.30x = 305,964,104.11
  5. Step 5: Solve for x
    x = 305,964,104.11/21,824.30
  6. Step 6: Final answer
    x = 14,019.43

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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.