Home / 29,274.28-40,398.36-15,845.52

Finding the Fourth Proportional to 29,274.28, 40,398.36 and 15,845.52

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Solution

The fourth proportional to 29,274.28, 40,398.36 and 15,845.52 is: 21,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.28 : 40,398.36 = 15,845.52 : x
  2. Step 2: Convert to fraction form
    29,274.28/40,398.36 = 15,845.52/x
  3. Step 3: Cross multiply
    29,274.28x = 40,398.36 × 15,845.52
  4. Step 4: Simplify right side
    29,274.28x = 640,133,021.35
  5. Step 5: Solve for x
    x = 640,133,021.35/29,274.28
  6. Step 6: Final answer
    x = 21,866.74

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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.