Home / 25,906.24-38,892.16-21,576.64

Finding the Fourth Proportional to 25,906.24, 38,892.16 and 21,576.64

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Solution

The fourth proportional to 25,906.24, 38,892.16 and 21,576.64 is: 32,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,906.24 : 38,892.16 = 21,576.64 : x
  2. Step 2: Convert to fraction form
    25,906.24/38,892.16 = 21,576.64/x
  3. Step 3: Cross multiply
    25,906.24x = 38,892.16 × 21,576.64
  4. Step 4: Simplify right side
    25,906.24x = 839,162,135.14
  5. Step 5: Solve for x
    x = 839,162,135.14/25,906.24
  6. Step 6: Final answer
    x = 32,392.28

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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.