Home / 28,888.94-43,338.82-9,162.20

Finding the Fourth Proportional to 28,888.94, 43,338.82 and 9,162.20

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Solution

The fourth proportional to 28,888.94, 43,338.82 and 9,162.20 is: 13,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.94 : 43,338.82 = 9,162.20 : x
  2. Step 2: Convert to fraction form
    28,888.94/43,338.82 = 9,162.20/x
  3. Step 3: Cross multiply
    28,888.94x = 43,338.82 × 9,162.20
  4. Step 4: Simplify right side
    28,888.94x = 397,078,936.60
  5. Step 5: Solve for x
    x = 397,078,936.60/28,888.94
  6. Step 6: Final answer
    x = 13,745.02

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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.