Home / 26,156.88-39,225.60-8,622

Finding the Fourth Proportional to 26,156.88, 39,225.60 and 8,622

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Solution

The fourth proportional to 26,156.88, 39,225.60 and 8,622 is: 12,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.88 : 39,225.60 = 8,622 : x
  2. Step 2: Convert to fraction form
    26,156.88/39,225.60 = 8,622/x
  3. Step 3: Cross multiply
    26,156.88x = 39,225.60 × 8,622
  4. Step 4: Simplify right side
    26,156.88x = 338,203,123.20
  5. Step 5: Solve for x
    x = 338,203,123.20/26,156.88
  6. Step 6: Final answer
    x = 12,929.80

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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.