Home / 17,987.13-26,892-15,244.47

Finding the Fourth Proportional to 17,987.13, 26,892 and 15,244.47

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Solution

The fourth proportional to 17,987.13, 26,892 and 15,244.47 is: 22,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.13 : 26,892 = 15,244.47 : x
  2. Step 2: Convert to fraction form
    17,987.13/26,892 = 15,244.47/x
  3. Step 3: Cross multiply
    17,987.13x = 26,892 × 15,244.47
  4. Step 4: Simplify right side
    17,987.13x = 409,954,287.24
  5. Step 5: Solve for x
    x = 409,954,287.24/17,987.13
  6. Step 6: Final answer
    x = 22,791.53

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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.