Home / 28,852.32-43,297.92-11,320.08

Finding the Fourth Proportional to 28,852.32, 43,297.92 and 11,320.08

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Solution

The fourth proportional to 28,852.32, 43,297.92 and 11,320.08 is: 16,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.32 : 43,297.92 = 11,320.08 : x
  2. Step 2: Convert to fraction form
    28,852.32/43,297.92 = 11,320.08/x
  3. Step 3: Cross multiply
    28,852.32x = 43,297.92 × 11,320.08
  4. Step 4: Simplify right side
    28,852.32x = 490,135,918.23
  5. Step 5: Solve for x
    x = 490,135,918.23/28,852.32
  6. Step 6: Final answer
    x = 16,987.75

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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.