Home / 28,684.18-43,028.43-7,907.50

Finding the Fourth Proportional to 28,684.18, 43,028.43 and 7,907.50

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Solution

The fourth proportional to 28,684.18, 43,028.43 and 7,907.50 is: 11,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.18 : 43,028.43 = 7,907.50 : x
  2. Step 2: Convert to fraction form
    28,684.18/43,028.43 = 7,907.50/x
  3. Step 3: Cross multiply
    28,684.18x = 43,028.43 × 7,907.50
  4. Step 4: Simplify right side
    28,684.18x = 340,247,310.23
  5. Step 5: Solve for x
    x = 340,247,310.23/28,684.18
  6. Step 6: Final answer
    x = 11,861.85

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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.