Home / 26,278.22-39,429.64-11,485.22

Finding the Fourth Proportional to 26,278.22, 39,429.64 and 11,485.22

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Solution

The fourth proportional to 26,278.22, 39,429.64 and 11,485.22 is: 17,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.22 : 39,429.64 = 11,485.22 : x
  2. Step 2: Convert to fraction form
    26,278.22/39,429.64 = 11,485.22/x
  3. Step 3: Cross multiply
    26,278.22x = 39,429.64 × 11,485.22
  4. Step 4: Simplify right side
    26,278.22x = 452,858,089.92
  5. Step 5: Solve for x
    x = 452,858,089.92/26,278.22
  6. Step 6: Final answer
    x = 17,233.21

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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.