Home / 28,738.26-43,107.42-9,018.36

Finding the Fourth Proportional to 28,738.26, 43,107.42 and 9,018.36

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Solution

The fourth proportional to 28,738.26, 43,107.42 and 9,018.36 is: 13,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.26 : 43,107.42 = 9,018.36 : x
  2. Step 2: Convert to fraction form
    28,738.26/43,107.42 = 9,018.36/x
  3. Step 3: Cross multiply
    28,738.26x = 43,107.42 × 9,018.36
  4. Step 4: Simplify right side
    28,738.26x = 388,758,232.23
  5. Step 5: Solve for x
    x = 388,758,232.23/28,738.26
  6. Step 6: Final answer
    x = 13,527.55

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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.