Home / 21,025.44-31,541.04-9,338.40

Finding the Fourth Proportional to 21,025.44, 31,541.04 and 9,338.40

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Solution

The fourth proportional to 21,025.44, 31,541.04 and 9,338.40 is: 14,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.44 : 31,541.04 = 9,338.40 : x
  2. Step 2: Convert to fraction form
    21,025.44/31,541.04 = 9,338.40/x
  3. Step 3: Cross multiply
    21,025.44x = 31,541.04 × 9,338.40
  4. Step 4: Simplify right side
    21,025.44x = 294,542,847.94
  5. Step 5: Solve for x
    x = 294,542,847.94/21,025.44
  6. Step 6: Final answer
    x = 14,008.88

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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.