Home / 25,986.72-38,958.21-10,395.84

Finding the Fourth Proportional to 25,986.72, 38,958.21 and 10,395.84

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Solution

The fourth proportional to 25,986.72, 38,958.21 and 10,395.84 is: 15,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.72 : 38,958.21 = 10,395.84 : x
  2. Step 2: Convert to fraction form
    25,986.72/38,958.21 = 10,395.84/x
  3. Step 3: Cross multiply
    25,986.72x = 38,958.21 × 10,395.84
  4. Step 4: Simplify right side
    25,986.72x = 405,003,317.85
  5. Step 5: Solve for x
    x = 405,003,317.85/25,986.72
  6. Step 6: Final answer
    x = 15,585.01

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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.