Home / 25,986.91-38,995.74-10,993.18

Finding the Fourth Proportional to 25,986.91, 38,995.74 and 10,993.18

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Solution

The fourth proportional to 25,986.91, 38,995.74 and 10,993.18 is: 16,496.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.91 : 38,995.74 = 10,993.18 : x
  2. Step 2: Convert to fraction form
    25,986.91/38,995.74 = 10,993.18/x
  3. Step 3: Cross multiply
    25,986.91x = 38,995.74 × 10,993.18
  4. Step 4: Simplify right side
    25,986.91x = 428,687,189.05
  5. Step 5: Solve for x
    x = 428,687,189.05/25,986.91
  6. Step 6: Final answer
    x = 16,496.27

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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.