Home / 26,255.41-39,370.32-8,719.31

Finding the Fourth Proportional to 26,255.41, 39,370.32 and 8,719.31

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Solution

The fourth proportional to 26,255.41, 39,370.32 and 8,719.31 is: 13,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.41 : 39,370.32 = 8,719.31 : x
  2. Step 2: Convert to fraction form
    26,255.41/39,370.32 = 8,719.31/x
  3. Step 3: Cross multiply
    26,255.41x = 39,370.32 × 8,719.31
  4. Step 4: Simplify right side
    26,255.41x = 343,282,123.31
  5. Step 5: Solve for x
    x = 343,282,123.31/26,255.41
  6. Step 6: Final answer
    x = 13,074.72

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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.