Home / 28,907.88-43,367.94-10,187.16

Finding the Fourth Proportional to 28,907.88, 43,367.94 and 10,187.16

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Solution

The fourth proportional to 28,907.88, 43,367.94 and 10,187.16 is: 15,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.88 : 43,367.94 = 10,187.16 : x
  2. Step 2: Convert to fraction form
    28,907.88/43,367.94 = 10,187.16/x
  3. Step 3: Cross multiply
    28,907.88x = 43,367.94 × 10,187.16
  4. Step 4: Simplify right side
    28,907.88x = 441,796,143.65
  5. Step 5: Solve for x
    x = 441,796,143.65/28,907.88
  6. Step 6: Final answer
    x = 15,282.90

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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.