Home / 21,229.22-31,843.83-9,528.77

Finding the Fourth Proportional to 21,229.22, 31,843.83 and 9,528.77

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Solution

The fourth proportional to 21,229.22, 31,843.83 and 9,528.77 is: 14,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,229.22 : 31,843.83 = 9,528.77 : x
  2. Step 2: Convert to fraction form
    21,229.22/31,843.83 = 9,528.77/x
  3. Step 3: Cross multiply
    21,229.22x = 31,843.83 × 9,528.77
  4. Step 4: Simplify right side
    21,229.22x = 303,432,387.81
  5. Step 5: Solve for x
    x = 303,432,387.81/21,229.22
  6. Step 6: Final answer
    x = 14,293.15

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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.