Home / 26,820.87-40,231.33-9,290.69

Finding the Fourth Proportional to 26,820.87, 40,231.33 and 9,290.69

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Solution

The fourth proportional to 26,820.87, 40,231.33 and 9,290.69 is: 13,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.87 : 40,231.33 = 9,290.69 : x
  2. Step 2: Convert to fraction form
    26,820.87/40,231.33 = 9,290.69/x
  3. Step 3: Cross multiply
    26,820.87x = 40,231.33 × 9,290.69
  4. Step 4: Simplify right side
    26,820.87x = 373,776,939.12
  5. Step 5: Solve for x
    x = 373,776,939.12/26,820.87
  6. Step 6: Final answer
    x = 13,936.05

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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.