Home / 25,872.38-38,815.71-10,300.94

Finding the Fourth Proportional to 25,872.38, 38,815.71 and 10,300.94

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Solution

The fourth proportional to 25,872.38, 38,815.71 and 10,300.94 is: 15,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,872.38 : 38,815.71 = 10,300.94 : x
  2. Step 2: Convert to fraction form
    25,872.38/38,815.71 = 10,300.94/x
  3. Step 3: Cross multiply
    25,872.38x = 38,815.71 × 10,300.94
  4. Step 4: Simplify right side
    25,872.38x = 399,838,299.77
  5. Step 5: Solve for x
    x = 399,838,299.77/25,872.38
  6. Step 6: Final answer
    x = 15,454.25

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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.