Home / 28,725.74-43,072.40-11,175.48

Finding the Fourth Proportional to 28,725.74, 43,072.40 and 11,175.48

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Solution

The fourth proportional to 28,725.74, 43,072.40 and 11,175.48 is: 16,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.74 : 43,072.40 = 11,175.48 : x
  2. Step 2: Convert to fraction form
    28,725.74/43,072.40 = 11,175.48/x
  3. Step 3: Cross multiply
    28,725.74x = 43,072.40 × 11,175.48
  4. Step 4: Simplify right side
    28,725.74x = 481,354,744.75
  5. Step 5: Solve for x
    x = 481,354,744.75/28,725.74
  6. Step 6: Final answer
    x = 16,756.91

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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.