Home / 38,561.28-57,840.84-12,267.60

Finding the Fourth Proportional to 38,561.28, 57,840.84 and 12,267.60

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Solution

The fourth proportional to 38,561.28, 57,840.84 and 12,267.60 is: 18,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,561.28 : 57,840.84 = 12,267.60 : x
  2. Step 2: Convert to fraction form
    38,561.28/57,840.84 = 12,267.60/x
  3. Step 3: Cross multiply
    38,561.28x = 57,840.84 × 12,267.60
  4. Step 4: Simplify right side
    38,561.28x = 709,568,288.78
  5. Step 5: Solve for x
    x = 709,568,288.78/38,561.28
  6. Step 6: Final answer
    x = 18,401.06

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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.