Home / 27,991.07-41,986.75-7,214.57

Finding the Fourth Proportional to 27,991.07, 41,986.75 and 7,214.57

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Solution

The fourth proportional to 27,991.07, 41,986.75 and 7,214.57 is: 10,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.07 : 41,986.75 = 7,214.57 : x
  2. Step 2: Convert to fraction form
    27,991.07/41,986.75 = 7,214.57/x
  3. Step 3: Cross multiply
    27,991.07x = 41,986.75 × 7,214.57
  4. Step 4: Simplify right side
    27,991.07x = 302,916,100.94
  5. Step 5: Solve for x
    x = 302,916,100.94/27,991.07
  6. Step 6: Final answer
    x = 10,821.89

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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.