Home / 25,351.92-38,031.84-7,825.68

Finding the Fourth Proportional to 25,351.92, 38,031.84 and 7,825.68

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Solution

The fourth proportional to 25,351.92, 38,031.84 and 7,825.68 is: 11,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,351.92 : 38,031.84 = 7,825.68 : x
  2. Step 2: Convert to fraction form
    25,351.92/38,031.84 = 7,825.68/x
  3. Step 3: Cross multiply
    25,351.92x = 38,031.84 × 7,825.68
  4. Step 4: Simplify right side
    25,351.92x = 297,625,009.65
  5. Step 5: Solve for x
    x = 297,625,009.65/25,351.92
  6. Step 6: Final answer
    x = 11,739.74

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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.