Home / 28,725.03-43,087.14-9,003.69

Finding the Fourth Proportional to 28,725.03, 43,087.14 and 9,003.69

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Solution

The fourth proportional to 28,725.03, 43,087.14 and 9,003.69 is: 13,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.03 : 43,087.14 = 9,003.69 : x
  2. Step 2: Convert to fraction form
    28,725.03/43,087.14 = 9,003.69/x
  3. Step 3: Cross multiply
    28,725.03x = 43,087.14 × 9,003.69
  4. Step 4: Simplify right side
    28,725.03x = 387,943,251.55
  5. Step 5: Solve for x
    x = 387,943,251.55/28,725.03
  6. Step 6: Final answer
    x = 13,505.41

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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.