Home / 26,077.70-39,121.43-11,847.18

Finding the Fourth Proportional to 26,077.70, 39,121.43 and 11,847.18

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Solution

The fourth proportional to 26,077.70, 39,121.43 and 11,847.18 is: 17,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,077.70 : 39,121.43 = 11,847.18 : x
  2. Step 2: Convert to fraction form
    26,077.70/39,121.43 = 11,847.18/x
  3. Step 3: Cross multiply
    26,077.70x = 39,121.43 × 11,847.18
  4. Step 4: Simplify right side
    26,077.70x = 463,478,514.93
  5. Step 5: Solve for x
    x = 463,478,514.93/26,077.70
  6. Step 6: Final answer
    x = 17,772.98

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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.