Home / 25,160.62-37,745.49-20,521.75

Finding the Fourth Proportional to 25,160.62, 37,745.49 and 20,521.75

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Solution

The fourth proportional to 25,160.62, 37,745.49 and 20,521.75 is: 30,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,160.62 : 37,745.49 = 20,521.75 : x
  2. Step 2: Convert to fraction form
    25,160.62/37,745.49 = 20,521.75/x
  3. Step 3: Cross multiply
    25,160.62x = 37,745.49 × 20,521.75
  4. Step 4: Simplify right side
    25,160.62x = 774,603,509.41
  5. Step 5: Solve for x
    x = 774,603,509.41/25,160.62
  6. Step 6: Final answer
    x = 30,786.34

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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.