Home / 15,767.71-23,650.88-3,921.24

Finding the Fourth Proportional to 15,767.71, 23,650.88 and 3,921.24

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Solution

The fourth proportional to 15,767.71, 23,650.88 and 3,921.24 is: 5,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.71 : 23,650.88 = 3,921.24 : x
  2. Step 2: Convert to fraction form
    15,767.71/23,650.88 = 3,921.24/x
  3. Step 3: Cross multiply
    15,767.71x = 23,650.88 × 3,921.24
  4. Step 4: Simplify right side
    15,767.71x = 92,740,638.83
  5. Step 5: Solve for x
    x = 92,740,638.83/15,767.71
  6. Step 6: Final answer
    x = 5,881.68

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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.