Home / 28,796.88-43,207.83-10,090.35

Finding the Fourth Proportional to 28,796.88, 43,207.83 and 10,090.35

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Solution

The fourth proportional to 28,796.88, 43,207.83 and 10,090.35 is: 15,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.88 : 43,207.83 = 10,090.35 : x
  2. Step 2: Convert to fraction form
    28,796.88/43,207.83 = 10,090.35/x
  3. Step 3: Cross multiply
    28,796.88x = 43,207.83 × 10,090.35
  4. Step 4: Simplify right side
    28,796.88x = 435,982,127.44
  5. Step 5: Solve for x
    x = 435,982,127.44/28,796.88
  6. Step 6: Final answer
    x = 15,139.91

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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.