Home / 25,682.40-38,520.99-17,415.54

Finding the Fourth Proportional to 25,682.40, 38,520.99 and 17,415.54

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Solution

The fourth proportional to 25,682.40, 38,520.99 and 17,415.54 is: 26,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,682.40 : 38,520.99 = 17,415.54 : x
  2. Step 2: Convert to fraction form
    25,682.40/38,520.99 = 17,415.54/x
  3. Step 3: Cross multiply
    25,682.40x = 38,520.99 × 17,415.54
  4. Step 4: Simplify right side
    25,682.40x = 670,863,842.18
  5. Step 5: Solve for x
    x = 670,863,842.18/25,682.40
  6. Step 6: Final answer
    x = 26,121.54

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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.