Home / 26,438.10-39,604.27-15,902.30

Finding the Fourth Proportional to 26,438.10, 39,604.27 and 15,902.30

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Solution

The fourth proportional to 26,438.10, 39,604.27 and 15,902.30 is: 23,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.10 : 39,604.27 = 15,902.30 : x
  2. Step 2: Convert to fraction form
    26,438.10/39,604.27 = 15,902.30/x
  3. Step 3: Cross multiply
    26,438.10x = 39,604.27 × 15,902.30
  4. Step 4: Simplify right side
    26,438.10x = 629,798,705.29
  5. Step 5: Solve for x
    x = 629,798,705.29/26,438.10
  6. Step 6: Final answer
    x = 23,821.64

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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.