Home / 26,645.76-39,958.56-9,112.32

Finding the Fourth Proportional to 26,645.76, 39,958.56 and 9,112.32

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Solution

The fourth proportional to 26,645.76, 39,958.56 and 9,112.32 is: 13,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,645.76 : 39,958.56 = 9,112.32 : x
  2. Step 2: Convert to fraction form
    26,645.76/39,958.56 = 9,112.32/x
  3. Step 3: Cross multiply
    26,645.76x = 39,958.56 × 9,112.32
  4. Step 4: Simplify right side
    26,645.76x = 364,115,185.46
  5. Step 5: Solve for x
    x = 364,115,185.46/26,645.76
  6. Step 6: Final answer
    x = 13,665.03

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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.