Home / 25,520.76-38,288.93-13,049.54

Finding the Fourth Proportional to 25,520.76, 38,288.93 and 13,049.54

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Solution

The fourth proportional to 25,520.76, 38,288.93 and 13,049.54 is: 19,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.76 : 38,288.93 = 13,049.54 : x
  2. Step 2: Convert to fraction form
    25,520.76/38,288.93 = 13,049.54/x
  3. Step 3: Cross multiply
    25,520.76x = 38,288.93 × 13,049.54
  4. Step 4: Simplify right side
    25,520.76x = 499,652,986.69
  5. Step 5: Solve for x
    x = 499,652,986.69/25,520.76
  6. Step 6: Final answer
    x = 19,578.30

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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.