Home / 27,415.87-41,110.81-12,620.41

Finding the Fourth Proportional to 27,415.87, 41,110.81 and 12,620.41

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Solution

The fourth proportional to 27,415.87, 41,110.81 and 12,620.41 is: 18,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.87 : 41,110.81 = 12,620.41 : x
  2. Step 2: Convert to fraction form
    27,415.87/41,110.81 = 12,620.41/x
  3. Step 3: Cross multiply
    27,415.87x = 41,110.81 × 12,620.41
  4. Step 4: Simplify right side
    27,415.87x = 518,835,277.63
  5. Step 5: Solve for x
    x = 518,835,277.63/27,415.87
  6. Step 6: Final answer
    x = 18,924.63

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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.