Home / 27,310.68-37,694.14-15,981.40

Finding the Fourth Proportional to 27,310.68, 37,694.14 and 15,981.40

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Solution

The fourth proportional to 27,310.68, 37,694.14 and 15,981.40 is: 22,057.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.68 : 37,694.14 = 15,981.40 : x
  2. Step 2: Convert to fraction form
    27,310.68/37,694.14 = 15,981.40/x
  3. Step 3: Cross multiply
    27,310.68x = 37,694.14 × 15,981.40
  4. Step 4: Simplify right side
    27,310.68x = 602,405,129.00
  5. Step 5: Solve for x
    x = 602,405,129.00/27,310.68
  6. Step 6: Final answer
    x = 22,057.49

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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.