Home / 27,387.87-37,795.28-14,812.62

Finding the Fourth Proportional to 27,387.87, 37,795.28 and 14,812.62

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Solution

The fourth proportional to 27,387.87, 37,795.28 and 14,812.62 is: 20,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387.87 : 37,795.28 = 14,812.62 : x
  2. Step 2: Convert to fraction form
    27,387.87/37,795.28 = 14,812.62/x
  3. Step 3: Cross multiply
    27,387.87x = 37,795.28 × 14,812.62
  4. Step 4: Simplify right side
    27,387.87x = 559,847,120.43
  5. Step 5: Solve for x
    x = 559,847,120.43/27,387.87
  6. Step 6: Final answer
    x = 20,441.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.