Home / 26,098.68-39,147.96-12,960.27

Finding the Fourth Proportional to 26,098.68, 39,147.96 and 12,960.27

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Solution

The fourth proportional to 26,098.68, 39,147.96 and 12,960.27 is: 19,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,098.68 : 39,147.96 = 12,960.27 : x
  2. Step 2: Convert to fraction form
    26,098.68/39,147.96 = 12,960.27/x
  3. Step 3: Cross multiply
    26,098.68x = 39,147.96 × 12,960.27
  4. Step 4: Simplify right side
    26,098.68x = 507,368,131.55
  5. Step 5: Solve for x
    x = 507,368,131.55/26,098.68
  6. Step 6: Final answer
    x = 19,440.38

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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.