Home / 26,915.73-40,358.21-8,190.23

Finding the Fourth Proportional to 26,915.73, 40,358.21 and 8,190.23

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Solution

The fourth proportional to 26,915.73, 40,358.21 and 8,190.23 is: 12,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.73 : 40,358.21 = 8,190.23 : x
  2. Step 2: Convert to fraction form
    26,915.73/40,358.21 = 8,190.23/x
  3. Step 3: Cross multiply
    26,915.73x = 40,358.21 × 8,190.23
  4. Step 4: Simplify right side
    26,915.73x = 330,542,779.55
  5. Step 5: Solve for x
    x = 330,542,779.55/26,915.73
  6. Step 6: Final answer
    x = 12,280.65

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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.