Home / 26,645.72-39,940.16-20,051.51

Finding the Fourth Proportional to 26,645.72, 39,940.16 and 20,051.51

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Solution

The fourth proportional to 26,645.72, 39,940.16 and 20,051.51 is: 30,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,645.72 : 39,940.16 = 20,051.51 : x
  2. Step 2: Convert to fraction form
    26,645.72/39,940.16 = 20,051.51/x
  3. Step 3: Cross multiply
    26,645.72x = 39,940.16 × 20,051.51
  4. Step 4: Simplify right side
    26,645.72x = 800,860,217.68
  5. Step 5: Solve for x
    x = 800,860,217.68/26,645.72
  6. Step 6: Final answer
    x = 30,055.87

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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.