Home / 26,484.27-39,720.34-15,813.64

Finding the Fourth Proportional to 26,484.27, 39,720.34 and 15,813.64

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Solution

The fourth proportional to 26,484.27, 39,720.34 and 15,813.64 is: 23,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,484.27 : 39,720.34 = 15,813.64 : x
  2. Step 2: Convert to fraction form
    26,484.27/39,720.34 = 15,813.64/x
  3. Step 3: Cross multiply
    26,484.27x = 39,720.34 × 15,813.64
  4. Step 4: Simplify right side
    26,484.27x = 628,123,157.44
  5. Step 5: Solve for x
    x = 628,123,157.44/26,484.27
  6. Step 6: Final answer
    x = 23,716.84

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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.