Home / 28,743.20-43,114.72-9,021.84

Finding the Fourth Proportional to 28,743.20, 43,114.72 and 9,021.84

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Solution

The fourth proportional to 28,743.20, 43,114.72 and 9,021.84 is: 13,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.20 : 43,114.72 = 9,021.84 : x
  2. Step 2: Convert to fraction form
    28,743.20/43,114.72 = 9,021.84/x
  3. Step 3: Cross multiply
    28,743.20x = 43,114.72 × 9,021.84
  4. Step 4: Simplify right side
    28,743.20x = 388,974,105.48
  5. Step 5: Solve for x
    x = 388,974,105.48/28,743.20
  6. Step 6: Final answer
    x = 13,532.73

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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.