Home / 27,390.50-37,800.62-15,449.48

Finding the Fourth Proportional to 27,390.50, 37,800.62 and 15,449.48

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Solution

The fourth proportional to 27,390.50, 37,800.62 and 15,449.48 is: 21,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.50 : 37,800.62 = 15,449.48 : x
  2. Step 2: Convert to fraction form
    27,390.50/37,800.62 = 15,449.48/x
  3. Step 3: Cross multiply
    27,390.50x = 37,800.62 × 15,449.48
  4. Step 4: Simplify right side
    27,390.50x = 583,999,922.68
  5. Step 5: Solve for x
    x = 583,999,922.68/27,390.50
  6. Step 6: Final answer
    x = 21,321.26

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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.