Home / 26,269.20-39,396.60-10,688.40

Finding the Fourth Proportional to 26,269.20, 39,396.60 and 10,688.40

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Solution

The fourth proportional to 26,269.20, 39,396.60 and 10,688.40 is: 16,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,269.20 : 39,396.60 = 10,688.40 : x
  2. Step 2: Convert to fraction form
    26,269.20/39,396.60 = 10,688.40/x
  3. Step 3: Cross multiply
    26,269.20x = 39,396.60 × 10,688.40
  4. Step 4: Simplify right side
    26,269.20x = 421,086,619.44
  5. Step 5: Solve for x
    x = 421,086,619.44/26,269.20
  6. Step 6: Final answer
    x = 16,029.67

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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.