Home / 25,879.10-38,816.48-7,159.37

Finding the Fourth Proportional to 25,879.10, 38,816.48 and 7,159.37

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Solution

The fourth proportional to 25,879.10, 38,816.48 and 7,159.37 is: 10,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,879.10 : 38,816.48 = 7,159.37 : x
  2. Step 2: Convert to fraction form
    25,879.10/38,816.48 = 7,159.37/x
  3. Step 3: Cross multiply
    25,879.10x = 38,816.48 × 7,159.37
  4. Step 4: Simplify right side
    25,879.10x = 277,901,511.80
  5. Step 5: Solve for x
    x = 277,901,511.80/25,879.10
  6. Step 6: Final answer
    x = 10,738.45

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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.