Home / 26,440.22-39,661.25-13,285.42

Finding the Fourth Proportional to 26,440.22, 39,661.25 and 13,285.42

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Solution

The fourth proportional to 26,440.22, 39,661.25 and 13,285.42 is: 19,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.22 : 39,661.25 = 13,285.42 : x
  2. Step 2: Convert to fraction form
    26,440.22/39,661.25 = 13,285.42/x
  3. Step 3: Cross multiply
    26,440.22x = 39,661.25 × 13,285.42
  4. Step 4: Simplify right side
    26,440.22x = 526,916,198.39
  5. Step 5: Solve for x
    x = 526,916,198.39/26,440.22
  6. Step 6: Final answer
    x = 19,928.58

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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.