Home / 26,971.36-40,478.22-18,709.52

Finding the Fourth Proportional to 26,971.36, 40,478.22 and 18,709.52

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Solution

The fourth proportional to 26,971.36, 40,478.22 and 18,709.52 is: 28,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,971.36 : 40,478.22 = 18,709.52 : x
  2. Step 2: Convert to fraction form
    26,971.36/40,478.22 = 18,709.52/x
  3. Step 3: Cross multiply
    26,971.36x = 40,478.22 × 18,709.52
  4. Step 4: Simplify right side
    26,971.36x = 757,327,864.26
  5. Step 5: Solve for x
    x = 757,327,864.26/26,971.36
  6. Step 6: Final answer
    x = 28,078.97

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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.