Home / 26,099.82-39,175.65-20,319.66

Finding the Fourth Proportional to 26,099.82, 39,175.65 and 20,319.66

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Solution

The fourth proportional to 26,099.82, 39,175.65 and 20,319.66 is: 30,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,099.82 : 39,175.65 = 20,319.66 : x
  2. Step 2: Convert to fraction form
    26,099.82/39,175.65 = 20,319.66/x
  3. Step 3: Cross multiply
    26,099.82x = 39,175.65 × 20,319.66
  4. Step 4: Simplify right side
    26,099.82x = 796,035,888.28
  5. Step 5: Solve for x
    x = 796,035,888.28/26,099.82
  6. Step 6: Final answer
    x = 30,499.67

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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.