Home / 28,725.05-43,107.03-10,005.26

Finding the Fourth Proportional to 28,725.05, 43,107.03 and 10,005.26

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Solution

The fourth proportional to 28,725.05, 43,107.03 and 10,005.26 is: 15,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.05 : 43,107.03 = 10,005.26 : x
  2. Step 2: Convert to fraction form
    28,725.05/43,107.03 = 10,005.26/x
  3. Step 3: Cross multiply
    28,725.05x = 43,107.03 × 10,005.26
  4. Step 4: Simplify right side
    28,725.05x = 431,296,827.44
  5. Step 5: Solve for x
    x = 431,296,827.44/28,725.05
  6. Step 6: Final answer
    x = 15,014.66

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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.