Home / 27,387.31-37,794.37-15,450.64

Finding the Fourth Proportional to 27,387.31, 37,794.37 and 15,450.64

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Solution

The fourth proportional to 27,387.31, 37,794.37 and 15,450.64 is: 21,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387.31 : 37,794.37 = 15,450.64 : x
  2. Step 2: Convert to fraction form
    27,387.31/37,794.37 = 15,450.64/x
  3. Step 3: Cross multiply
    27,387.31x = 37,794.37 × 15,450.64
  4. Step 4: Simplify right side
    27,387.31x = 583,947,015.92
  5. Step 5: Solve for x
    x = 583,947,015.92/27,387.31
  6. Step 6: Final answer
    x = 21,321.81

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1.5x scale

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.