Home / 17,255.70-25,847.10-13,537.80

Finding the Fourth Proportional to 17,255.70, 25,847.10 and 13,537.80

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Solution

The fourth proportional to 17,255.70, 25,847.10 and 13,537.80 is: 20,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.70 : 25,847.10 = 13,537.80 : x
  2. Step 2: Convert to fraction form
    17,255.70/25,847.10 = 13,537.80/x
  3. Step 3: Cross multiply
    17,255.70x = 25,847.10 × 13,537.80
  4. Step 4: Simplify right side
    17,255.70x = 349,912,870.38
  5. Step 5: Solve for x
    x = 349,912,870.38/17,255.70
  6. Step 6: Final answer
    x = 20,278.10

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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.