Home / 27,371.85-37,721.54-19,805.37

Finding the Fourth Proportional to 27,371.85, 37,721.54 and 19,805.37

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Solution

The fourth proportional to 27,371.85, 37,721.54 and 19,805.37 is: 27,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,371.85 : 37,721.54 = 19,805.37 : x
  2. Step 2: Convert to fraction form
    27,371.85/37,721.54 = 19,805.37/x
  3. Step 3: Cross multiply
    27,371.85x = 37,721.54 × 19,805.37
  4. Step 4: Simplify right side
    27,371.85x = 747,089,056.67
  5. Step 5: Solve for x
    x = 747,089,056.67/27,371.85
  6. Step 6: Final answer
    x = 27,294.07

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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.