Home / 27,913.62-41,870.43-10,378.74

Finding the Fourth Proportional to 27,913.62, 41,870.43 and 10,378.74

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Solution

The fourth proportional to 27,913.62, 41,870.43 and 10,378.74 is: 15,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.62 : 41,870.43 = 10,378.74 : x
  2. Step 2: Convert to fraction form
    27,913.62/41,870.43 = 10,378.74/x
  3. Step 3: Cross multiply
    27,913.62x = 41,870.43 × 10,378.74
  4. Step 4: Simplify right side
    27,913.62x = 434,562,306.66
  5. Step 5: Solve for x
    x = 434,562,306.66/27,913.62
  6. Step 6: Final answer
    x = 15,568.11

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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.