Home / 26,156.63-39,229.41-8,622.29

Finding the Fourth Proportional to 26,156.63, 39,229.41 and 8,622.29

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Solution

The fourth proportional to 26,156.63, 39,229.41 and 8,622.29 is: 12,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.63 : 39,229.41 = 8,622.29 : x
  2. Step 2: Convert to fraction form
    26,156.63/39,229.41 = 8,622.29/x
  3. Step 3: Cross multiply
    26,156.63x = 39,229.41 × 8,622.29
  4. Step 4: Simplify right side
    26,156.63x = 338,247,349.55
  5. Step 5: Solve for x
    x = 338,247,349.55/26,156.63
  6. Step 6: Final answer
    x = 12,931.61

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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.