Home / 34,728.24-47,926.79-19,621.54

Finding the Fourth Proportional to 34,728.24, 47,926.79 and 19,621.54

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Solution

The fourth proportional to 34,728.24, 47,926.79 and 19,621.54 is: 27,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,728.24 : 47,926.79 = 19,621.54 : x
  2. Step 2: Convert to fraction form
    34,728.24/47,926.79 = 19,621.54/x
  3. Step 3: Cross multiply
    34,728.24x = 47,926.79 × 19,621.54
  4. Step 4: Simplify right side
    34,728.24x = 940,397,462.44
  5. Step 5: Solve for x
    x = 940,397,462.44/34,728.24
  6. Step 6: Final answer
    x = 27,078.75

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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.