Home / 26,860.36-37,078.66-18,130.91

Finding the Fourth Proportional to 26,860.36, 37,078.66 and 18,130.91

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Solution

The fourth proportional to 26,860.36, 37,078.66 and 18,130.91 is: 25,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,860.36 : 37,078.66 = 18,130.91 : x
  2. Step 2: Convert to fraction form
    26,860.36/37,078.66 = 18,130.91/x
  3. Step 3: Cross multiply
    26,860.36x = 37,078.66 × 18,130.91
  4. Step 4: Simplify right side
    26,860.36x = 672,269,847.38
  5. Step 5: Solve for x
    x = 672,269,847.38/26,860.36
  6. Step 6: Final answer
    x = 25,028.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.