Home / 26,105.39-39,122.70-12,034.47

Finding the Fourth Proportional to 26,105.39, 39,122.70 and 12,034.47

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Solution

The fourth proportional to 26,105.39, 39,122.70 and 12,034.47 is: 18,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.39 : 39,122.70 = 12,034.47 : x
  2. Step 2: Convert to fraction form
    26,105.39/39,122.70 = 12,034.47/x
  3. Step 3: Cross multiply
    26,105.39x = 39,122.70 × 12,034.47
  4. Step 4: Simplify right side
    26,105.39x = 470,821,061.05
  5. Step 5: Solve for x
    x = 470,821,061.05/26,105.39
  6. Step 6: Final answer
    x = 18,035.40

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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.