Home / 25,845.56-38,745.21-12,511.01

Finding the Fourth Proportional to 25,845.56, 38,745.21 and 12,511.01

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Solution

The fourth proportional to 25,845.56, 38,745.21 and 12,511.01 is: 18,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.56 : 38,745.21 = 12,511.01 : x
  2. Step 2: Convert to fraction form
    25,845.56/38,745.21 = 12,511.01/x
  3. Step 3: Cross multiply
    25,845.56x = 38,745.21 × 12,511.01
  4. Step 4: Simplify right side
    25,845.56x = 484,741,600.41
  5. Step 5: Solve for x
    x = 484,741,600.41/25,845.56
  6. Step 6: Final answer
    x = 18,755.32

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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.