Home / 28,956.42-43,425.36-9,230.36

Finding the Fourth Proportional to 28,956.42, 43,425.36 and 9,230.36

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Solution

The fourth proportional to 28,956.42, 43,425.36 and 9,230.36 is: 13,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.42 : 43,425.36 = 9,230.36 : x
  2. Step 2: Convert to fraction form
    28,956.42/43,425.36 = 9,230.36/x
  3. Step 3: Cross multiply
    28,956.42x = 43,425.36 × 9,230.36
  4. Step 4: Simplify right side
    28,956.42x = 400,831,488.80
  5. Step 5: Solve for x
    x = 400,831,488.80/28,956.42
  6. Step 6: Final answer
    x = 13,842.58

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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.