Home / 26,278.56-39,396.96-15,172.68

Finding the Fourth Proportional to 26,278.56, 39,396.96 and 15,172.68

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Solution

The fourth proportional to 26,278.56, 39,396.96 and 15,172.68 is: 22,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.56 : 39,396.96 = 15,172.68 : x
  2. Step 2: Convert to fraction form
    26,278.56/39,396.96 = 15,172.68/x
  3. Step 3: Cross multiply
    26,278.56x = 39,396.96 × 15,172.68
  4. Step 4: Simplify right side
    26,278.56x = 597,757,467.05
  5. Step 5: Solve for x
    x = 597,757,467.05/26,278.56
  6. Step 6: Final answer
    x = 22,746.96

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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.