Home / 27,731.09-38,296.87-17,664.08

Finding the Fourth Proportional to 27,731.09, 38,296.87 and 17,664.08

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Solution

The fourth proportional to 27,731.09, 38,296.87 and 17,664.08 is: 24,394.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731.09 : 38,296.87 = 17,664.08 : x
  2. Step 2: Convert to fraction form
    27,731.09/38,296.87 = 17,664.08/x
  3. Step 3: Cross multiply
    27,731.09x = 38,296.87 × 17,664.08
  4. Step 4: Simplify right side
    27,731.09x = 676,478,739.79
  5. Step 5: Solve for x
    x = 676,478,739.79/27,731.09
  6. Step 6: Final answer
    x = 24,394.23

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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.