Home / 15,879.52-23,822.88-5,491.36

Finding the Fourth Proportional to 15,879.52, 23,822.88 and 5,491.36

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Solution

The fourth proportional to 15,879.52, 23,822.88 and 5,491.36 is: 8,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.52 : 23,822.88 = 5,491.36 : x
  2. Step 2: Convert to fraction form
    15,879.52/23,822.88 = 5,491.36/x
  3. Step 3: Cross multiply
    15,879.52x = 23,822.88 × 5,491.36
  4. Step 4: Simplify right side
    15,879.52x = 130,820,010.32
  5. Step 5: Solve for x
    x = 130,820,010.32/15,879.52
  6. Step 6: Final answer
    x = 8,238.28

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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.