Home / 27,986.87-41,964.51-10,449.56

Finding the Fourth Proportional to 27,986.87, 41,964.51 and 10,449.56

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Solution

The fourth proportional to 27,986.87, 41,964.51 and 10,449.56 is: 15,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.87 : 41,964.51 = 10,449.56 : x
  2. Step 2: Convert to fraction form
    27,986.87/41,964.51 = 10,449.56/x
  3. Step 3: Cross multiply
    27,986.87x = 41,964.51 × 10,449.56
  4. Step 4: Simplify right side
    27,986.87x = 438,510,796.15
  5. Step 5: Solve for x
    x = 438,510,796.15/27,986.87
  6. Step 6: Final answer
    x = 15,668.45

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1.5x scale

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.