Home / 25,028.54-37,561.31-20,156.98

Finding the Fourth Proportional to 25,028.54, 37,561.31 and 20,156.98

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Solution

The fourth proportional to 25,028.54, 37,561.31 and 20,156.98 is: 30,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,028.54 : 37,561.31 = 20,156.98 : x
  2. Step 2: Convert to fraction form
    25,028.54/37,561.31 = 20,156.98/x
  3. Step 3: Cross multiply
    25,028.54x = 37,561.31 × 20,156.98
  4. Step 4: Simplify right side
    25,028.54x = 757,122,285.85
  5. Step 5: Solve for x
    x = 757,122,285.85/25,028.54
  6. Step 6: Final answer
    x = 30,250.36

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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.