Home / 29,274.24-40,398.36-15,845.49

Finding the Fourth Proportional to 29,274.24, 40,398.36 and 15,845.49

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Solution

The fourth proportional to 29,274.24, 40,398.36 and 15,845.49 is: 21,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.24 : 40,398.36 = 15,845.49 : x
  2. Step 2: Convert to fraction form
    29,274.24/40,398.36 = 15,845.49/x
  3. Step 3: Cross multiply
    29,274.24x = 40,398.36 × 15,845.49
  4. Step 4: Simplify right side
    29,274.24x = 640,131,809.40
  5. Step 5: Solve for x
    x = 640,131,809.40/29,274.24
  6. Step 6: Final answer
    x = 21,866.73

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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.