Home / 26,289.47-39,440.33-8,519.42

Finding the Fourth Proportional to 26,289.47, 39,440.33 and 8,519.42

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Solution

The fourth proportional to 26,289.47, 39,440.33 and 8,519.42 is: 12,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289.47 : 39,440.33 = 8,519.42 : x
  2. Step 2: Convert to fraction form
    26,289.47/39,440.33 = 8,519.42/x
  3. Step 3: Cross multiply
    26,289.47x = 39,440.33 × 8,519.42
  4. Step 4: Simplify right side
    26,289.47x = 336,008,736.21
  5. Step 5: Solve for x
    x = 336,008,736.21/26,289.47
  6. Step 6: Final answer
    x = 12,781.11

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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.