Home / 51,927.78-71,660.37-28,054.44

Finding the Fourth Proportional to 51,927.78, 71,660.37 and 28,054.44

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Solution

The fourth proportional to 51,927.78, 71,660.37 and 28,054.44 is: 38,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,927.78 : 71,660.37 = 28,054.44 : x
  2. Step 2: Convert to fraction form
    51,927.78/71,660.37 = 28,054.44/x
  3. Step 3: Cross multiply
    51,927.78x = 71,660.37 × 28,054.44
  4. Step 4: Simplify right side
    51,927.78x = 2,010,391,550.54
  5. Step 5: Solve for x
    x = 2,010,391,550.54/51,927.78
  6. Step 6: Final answer
    x = 38,715.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.