Home / 26,827.14-40,241.56-12,788.70

Finding the Fourth Proportional to 26,827.14, 40,241.56 and 12,788.70

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Solution

The fourth proportional to 26,827.14, 40,241.56 and 12,788.70 is: 19,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,827.14 : 40,241.56 = 12,788.70 : x
  2. Step 2: Convert to fraction form
    26,827.14/40,241.56 = 12,788.70/x
  3. Step 3: Cross multiply
    26,827.14x = 40,241.56 × 12,788.70
  4. Step 4: Simplify right side
    26,827.14x = 514,637,238.37
  5. Step 5: Solve for x
    x = 514,637,238.37/26,827.14
  6. Step 6: Final answer
    x = 19,183.46

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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.