Home / 25,727.34-38,556.12-10,917.72

Finding the Fourth Proportional to 25,727.34, 38,556.12 and 10,917.72

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Solution

The fourth proportional to 25,727.34, 38,556.12 and 10,917.72 is: 16,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.34 : 38,556.12 = 10,917.72 : x
  2. Step 2: Convert to fraction form
    25,727.34/38,556.12 = 10,917.72/x
  3. Step 3: Cross multiply
    25,727.34x = 38,556.12 × 10,917.72
  4. Step 4: Simplify right side
    25,727.34x = 420,944,922.45
  5. Step 5: Solve for x
    x = 420,944,922.45/25,727.34
  6. Step 6: Final answer
    x = 16,361.77

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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.