Home / 25,949.94-38,924.91-8,421.54

Finding the Fourth Proportional to 25,949.94, 38,924.91 and 8,421.54

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Solution

The fourth proportional to 25,949.94, 38,924.91 and 8,421.54 is: 12,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.94 : 38,924.91 = 8,421.54 : x
  2. Step 2: Convert to fraction form
    25,949.94/38,924.91 = 8,421.54/x
  3. Step 3: Cross multiply
    25,949.94x = 38,924.91 × 8,421.54
  4. Step 4: Simplify right side
    25,949.94x = 327,807,686.56
  5. Step 5: Solve for x
    x = 327,807,686.56/25,949.94
  6. Step 6: Final answer
    x = 12,632.31

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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.