Home / 28,848.64-43,175.04-18,313.60

Finding the Fourth Proportional to 28,848.64, 43,175.04 and 18,313.60

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Solution

The fourth proportional to 28,848.64, 43,175.04 and 18,313.60 is: 27,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.64 : 43,175.04 = 18,313.60 : x
  2. Step 2: Convert to fraction form
    28,848.64/43,175.04 = 18,313.60/x
  3. Step 3: Cross multiply
    28,848.64x = 43,175.04 × 18,313.60
  4. Step 4: Simplify right side
    28,848.64x = 790,690,412.54
  5. Step 5: Solve for x
    x = 790,690,412.54/28,848.64
  6. Step 6: Final answer
    x = 27,408.24

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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.