Home / 28,912.56-43,286.20-27,075.48

Finding the Fourth Proportional to 28,912.56, 43,286.20 and 27,075.48

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Solution

The fourth proportional to 28,912.56, 43,286.20 and 27,075.48 is: 40,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.56 : 43,286.20 = 27,075.48 : x
  2. Step 2: Convert to fraction form
    28,912.56/43,286.20 = 27,075.48/x
  3. Step 3: Cross multiply
    28,912.56x = 43,286.20 × 27,075.48
  4. Step 4: Simplify right side
    28,912.56x = 1,171,994,642.38
  5. Step 5: Solve for x
    x = 1,171,994,642.38/28,912.56
  6. Step 6: Final answer
    x = 40,535.83

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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.