Home / 27,570.69-41,356.03-11,988.31

Finding the Fourth Proportional to 27,570.69, 41,356.03 and 11,988.31

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Solution

The fourth proportional to 27,570.69, 41,356.03 and 11,988.31 is: 17,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,570.69 : 41,356.03 = 11,988.31 : x
  2. Step 2: Convert to fraction form
    27,570.69/41,356.03 = 11,988.31/x
  3. Step 3: Cross multiply
    27,570.69x = 41,356.03 × 11,988.31
  4. Step 4: Simplify right side
    27,570.69x = 495,788,908.01
  5. Step 5: Solve for x
    x = 495,788,908.01/27,570.69
  6. Step 6: Final answer
    x = 17,982.46

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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.