Home / 28,355.96-42,468.32-27,371.81

Finding the Fourth Proportional to 28,355.96, 42,468.32 and 27,371.81

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Solution

The fourth proportional to 28,355.96, 42,468.32 and 27,371.81 is: 40,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355.96 : 42,468.32 = 27,371.81 : x
  2. Step 2: Convert to fraction form
    28,355.96/42,468.32 = 27,371.81/x
  3. Step 3: Cross multiply
    28,355.96x = 42,468.32 × 27,371.81
  4. Step 4: Simplify right side
    28,355.96x = 1,162,434,436.86
  5. Step 5: Solve for x
    x = 1,162,434,436.86/28,355.96
  6. Step 6: Final answer
    x = 40,994.37

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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.