Home / 15,887.25-23,822.33-5,353.76

Finding the Fourth Proportional to 15,887.25, 23,822.33 and 5,353.76

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Solution

The fourth proportional to 15,887.25, 23,822.33 and 5,353.76 is: 8,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,887.25 : 23,822.33 = 5,353.76 : x
  2. Step 2: Convert to fraction form
    15,887.25/23,822.33 = 5,353.76/x
  3. Step 3: Cross multiply
    15,887.25x = 23,822.33 × 5,353.76
  4. Step 4: Simplify right side
    15,887.25x = 127,539,070.25
  5. Step 5: Solve for x
    x = 127,539,070.25/15,887.25
  6. Step 6: Final answer
    x = 8,027.76

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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.