Home / 26,610.75-39,916.14-8,142.75

Finding the Fourth Proportional to 26,610.75, 39,916.14 and 8,142.75

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Solution

The fourth proportional to 26,610.75, 39,916.14 and 8,142.75 is: 12,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,610.75 : 39,916.14 = 8,142.75 : x
  2. Step 2: Convert to fraction form
    26,610.75/39,916.14 = 8,142.75/x
  3. Step 3: Cross multiply
    26,610.75x = 39,916.14 × 8,142.75
  4. Step 4: Simplify right side
    26,610.75x = 325,027,148.99
  5. Step 5: Solve for x
    x = 325,027,148.99/26,610.75
  6. Step 6: Final answer
    x = 12,214.13

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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.