Home / 27,399.87-37,811.07-15,464.32

Finding the Fourth Proportional to 27,399.87, 37,811.07 and 15,464.32

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Solution

The fourth proportional to 27,399.87, 37,811.07 and 15,464.32 is: 21,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.87 : 37,811.07 = 15,464.32 : x
  2. Step 2: Convert to fraction form
    27,399.87/37,811.07 = 15,464.32/x
  3. Step 3: Cross multiply
    27,399.87x = 37,811.07 × 15,464.32
  4. Step 4: Simplify right side
    27,399.87x = 584,722,391.49
  5. Step 5: Solve for x
    x = 584,722,391.49/27,399.87
  6. Step 6: Final answer
    x = 21,340.33

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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.