Home / 25,821.38-38,723.60-10,025.30

Finding the Fourth Proportional to 25,821.38, 38,723.60 and 10,025.30

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Solution

The fourth proportional to 25,821.38, 38,723.60 and 10,025.30 is: 15,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.38 : 38,723.60 = 10,025.30 : x
  2. Step 2: Convert to fraction form
    25,821.38/38,723.60 = 10,025.30/x
  3. Step 3: Cross multiply
    25,821.38x = 38,723.60 × 10,025.30
  4. Step 4: Simplify right side
    25,821.38x = 388,215,828.95
  5. Step 5: Solve for x
    x = 388,215,828.95/25,821.38
  6. Step 6: Final answer
    x = 15,034.66

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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.