Home / 27,457.47-37,891.43-17,375.40

Finding the Fourth Proportional to 27,457.47, 37,891.43 and 17,375.40

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Solution

The fourth proportional to 27,457.47, 37,891.43 and 17,375.40 is: 23,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.47 : 37,891.43 = 17,375.40 : x
  2. Step 2: Convert to fraction form
    27,457.47/37,891.43 = 17,375.40/x
  3. Step 3: Cross multiply
    27,457.47x = 37,891.43 × 17,375.40
  4. Step 4: Simplify right side
    27,457.47x = 658,378,665.95
  5. Step 5: Solve for x
    x = 658,378,665.95/27,457.47
  6. Step 6: Final answer
    x = 23,978.13

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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.