Home / 27,840.45-41,737.21-18,930.82

Finding the Fourth Proportional to 27,840.45, 41,737.21 and 18,930.82

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Solution

The fourth proportional to 27,840.45, 41,737.21 and 18,930.82 is: 28,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,840.45 : 41,737.21 = 18,930.82 : x
  2. Step 2: Convert to fraction form
    27,840.45/41,737.21 = 18,930.82/x
  3. Step 3: Cross multiply
    27,840.45x = 41,737.21 × 18,930.82
  4. Step 4: Simplify right side
    27,840.45x = 790,119,705.51
  5. Step 5: Solve for x
    x = 790,119,705.51/27,840.45
  6. Step 6: Final answer
    x = 28,380.27

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1.5x scale

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.