Home / 26,139.21-39,185.05-9,492.09

Finding the Fourth Proportional to 26,139.21, 39,185.05 and 9,492.09

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Solution

The fourth proportional to 26,139.21, 39,185.05 and 9,492.09 is: 14,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.21 : 39,185.05 = 9,492.09 : x
  2. Step 2: Convert to fraction form
    26,139.21/39,185.05 = 9,492.09/x
  3. Step 3: Cross multiply
    26,139.21x = 39,185.05 × 9,492.09
  4. Step 4: Simplify right side
    26,139.21x = 371,948,021.25
  5. Step 5: Solve for x
    x = 371,948,021.25/26,139.21
  6. Step 6: Final answer
    x = 14,229.51

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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.