Home / 27,334.47-37,721.67-15,398.01

Finding the Fourth Proportional to 27,334.47, 37,721.67 and 15,398.01

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Solution

The fourth proportional to 27,334.47, 37,721.67 and 15,398.01 is: 21,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,334.47 : 37,721.67 = 15,398.01 : x
  2. Step 2: Convert to fraction form
    27,334.47/37,721.67 = 15,398.01/x
  3. Step 3: Cross multiply
    27,334.47x = 37,721.67 × 15,398.01
  4. Step 4: Simplify right side
    27,334.47x = 580,838,651.88
  5. Step 5: Solve for x
    x = 580,838,651.88/27,334.47
  6. Step 6: Final answer
    x = 21,249.31

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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.