Home / 27,569.69-41,354.53-11,987.31

Finding the Fourth Proportional to 27,569.69, 41,354.53 and 11,987.31

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Solution

The fourth proportional to 27,569.69, 41,354.53 and 11,987.31 is: 17,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,569.69 : 41,354.53 = 11,987.31 : x
  2. Step 2: Convert to fraction form
    27,569.69/41,354.53 = 11,987.31/x
  3. Step 3: Cross multiply
    27,569.69x = 41,354.53 × 11,987.31
  4. Step 4: Simplify right side
    27,569.69x = 495,729,571.01
  5. Step 5: Solve for x
    x = 495,729,571.01/27,569.69
  6. Step 6: Final answer
    x = 17,980.96

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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.