Home / 15,881.67-23,822.28-3,873.87

Finding the Fourth Proportional to 15,881.67, 23,822.28 and 3,873.87

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Solution

The fourth proportional to 15,881.67, 23,822.28 and 3,873.87 is: 5,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.67 : 23,822.28 = 3,873.87 : x
  2. Step 2: Convert to fraction form
    15,881.67/23,822.28 = 3,873.87/x
  3. Step 3: Cross multiply
    15,881.67x = 23,822.28 × 3,873.87
  4. Step 4: Simplify right side
    15,881.67x = 92,284,415.82
  5. Step 5: Solve for x
    x = 92,284,415.82/15,881.67
  6. Step 6: Final answer
    x = 5,810.75

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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.