Home / 26,912.46-40,368.72-12,118.62

Finding the Fourth Proportional to 26,912.46, 40,368.72 and 12,118.62

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Solution

The fourth proportional to 26,912.46, 40,368.72 and 12,118.62 is: 18,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.46 : 40,368.72 = 12,118.62 : x
  2. Step 2: Convert to fraction form
    26,912.46/40,368.72 = 12,118.62/x
  3. Step 3: Cross multiply
    26,912.46x = 40,368.72 × 12,118.62
  4. Step 4: Simplify right side
    26,912.46x = 489,213,177.57
  5. Step 5: Solve for x
    x = 489,213,177.57/26,912.46
  6. Step 6: Final answer
    x = 18,177.94

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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.