Home / 27,971.09-38,600.81-15,224.96

Finding the Fourth Proportional to 27,971.09, 38,600.81 and 15,224.96

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Solution

The fourth proportional to 27,971.09, 38,600.81 and 15,224.96 is: 21,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971.09 : 38,600.81 = 15,224.96 : x
  2. Step 2: Convert to fraction form
    27,971.09/38,600.81 = 15,224.96/x
  3. Step 3: Cross multiply
    27,971.09x = 38,600.81 × 15,224.96
  4. Step 4: Simplify right side
    27,971.09x = 587,695,788.22
  5. Step 5: Solve for x
    x = 587,695,788.22/27,971.09
  6. Step 6: Final answer
    x = 21,010.83

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1.5x scale

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.