Home / 27,987.22-41,940.13-17,960.51

Finding the Fourth Proportional to 27,987.22, 41,940.13 and 17,960.51

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Solution

The fourth proportional to 27,987.22, 41,940.13 and 17,960.51 is: 26,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,987.22 : 41,940.13 = 17,960.51 : x
  2. Step 2: Convert to fraction form
    27,987.22/41,940.13 = 17,960.51/x
  3. Step 3: Cross multiply
    27,987.22x = 41,940.13 × 17,960.51
  4. Step 4: Simplify right side
    27,987.22x = 753,266,099.93
  5. Step 5: Solve for x
    x = 753,266,099.93/27,987.22
  6. Step 6: Final answer
    x = 26,914.64

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1.5x scale

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.