Home / 21,932.91-32,904.23-10,239.75

Finding the Fourth Proportional to 21,932.91, 32,904.23 and 10,239.75

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Solution

The fourth proportional to 21,932.91, 32,904.23 and 10,239.75 is: 15,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.91 : 32,904.23 = 10,239.75 : x
  2. Step 2: Convert to fraction form
    21,932.91/32,904.23 = 10,239.75/x
  3. Step 3: Cross multiply
    21,932.91x = 32,904.23 × 10,239.75
  4. Step 4: Simplify right side
    21,932.91x = 336,931,037.94
  5. Step 5: Solve for x
    x = 336,931,037.94/21,932.91
  6. Step 6: Final answer
    x = 15,361.89

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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.