Home / 28,745.75-43,118.82-10,025.72

Finding the Fourth Proportional to 28,745.75, 43,118.82 and 10,025.72

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Solution

The fourth proportional to 28,745.75, 43,118.82 and 10,025.72 is: 15,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,745.75 : 43,118.82 = 10,025.72 : x
  2. Step 2: Convert to fraction form
    28,745.75/43,118.82 = 10,025.72/x
  3. Step 3: Cross multiply
    28,745.75x = 43,118.82 × 10,025.72
  4. Step 4: Simplify right side
    28,745.75x = 432,297,162.15
  5. Step 5: Solve for x
    x = 432,297,162.15/28,745.75
  6. Step 6: Final answer
    x = 15,038.64

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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.