Home / 28,885.50-43,329.48-9,163.62

Finding the Fourth Proportional to 28,885.50, 43,329.48 and 9,163.62

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Solution

The fourth proportional to 28,885.50, 43,329.48 and 9,163.62 is: 13,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.50 : 43,329.48 = 9,163.62 : x
  2. Step 2: Convert to fraction form
    28,885.50/43,329.48 = 9,163.62/x
  3. Step 3: Cross multiply
    28,885.50x = 43,329.48 × 9,163.62
  4. Step 4: Simplify right side
    28,885.50x = 397,054,889.52
  5. Step 5: Solve for x
    x = 397,054,889.52/28,885.50
  6. Step 6: Final answer
    x = 13,745.82

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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.