Home / 26,971.71-37,221.09-15,647.88

Finding the Fourth Proportional to 26,971.71, 37,221.09 and 15,647.88

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Solution

The fourth proportional to 26,971.71, 37,221.09 and 15,647.88 is: 21,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,971.71 : 37,221.09 = 15,647.88 : x
  2. Step 2: Convert to fraction form
    26,971.71/37,221.09 = 15,647.88/x
  3. Step 3: Cross multiply
    26,971.71x = 37,221.09 × 15,647.88
  4. Step 4: Simplify right side
    26,971.71x = 582,431,149.79
  5. Step 5: Solve for x
    x = 582,431,149.79/26,971.71
  6. Step 6: Final answer
    x = 21,594.15

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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.