Home / 15,887.48-23,829.92-5,357.28

Finding the Fourth Proportional to 15,887.48, 23,829.92 and 5,357.28

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Solution

The fourth proportional to 15,887.48, 23,829.92 and 5,357.28 is: 8,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,887.48 : 23,829.92 = 5,357.28 : x
  2. Step 2: Convert to fraction form
    15,887.48/23,829.92 = 5,357.28/x
  3. Step 3: Cross multiply
    15,887.48x = 23,829.92 × 5,357.28
  4. Step 4: Simplify right side
    15,887.48x = 127,663,553.82
  5. Step 5: Solve for x
    x = 127,663,553.82/15,887.48
  6. Step 6: Final answer
    x = 8,035.48

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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.