Home / 28,809.10-43,196.37-11,258.02

Finding the Fourth Proportional to 28,809.10, 43,196.37 and 11,258.02

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Solution

The fourth proportional to 28,809.10, 43,196.37 and 11,258.02 is: 16,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.10 : 43,196.37 = 11,258.02 : x
  2. Step 2: Convert to fraction form
    28,809.10/43,196.37 = 11,258.02/x
  3. Step 3: Cross multiply
    28,809.10x = 43,196.37 × 11,258.02
  4. Step 4: Simplify right side
    28,809.10x = 486,305,597.39
  5. Step 5: Solve for x
    x = 486,305,597.39/28,809.10
  6. Step 6: Final answer
    x = 16,880.28

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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.