Home / 39,213.72-58,827.87-15,856.56

Finding the Fourth Proportional to 39,213.72, 58,827.87 and 15,856.56

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Solution

The fourth proportional to 39,213.72, 58,827.87 and 15,856.56 is: 23,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,213.72 : 58,827.87 = 15,856.56 : x
  2. Step 2: Convert to fraction form
    39,213.72/58,827.87 = 15,856.56/x
  3. Step 3: Cross multiply
    39,213.72x = 58,827.87 × 15,856.56
  4. Step 4: Simplify right side
    39,213.72x = 932,807,650.33
  5. Step 5: Solve for x
    x = 932,807,650.33/39,213.72
  6. Step 6: Final answer
    x = 23,787.79

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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.