Home / 26,181.09-39,275.28-8,412.28

Finding the Fourth Proportional to 26,181.09, 39,275.28 and 8,412.28

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Solution

The fourth proportional to 26,181.09, 39,275.28 and 8,412.28 is: 12,619.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.09 : 39,275.28 = 8,412.28 : x
  2. Step 2: Convert to fraction form
    26,181.09/39,275.28 = 8,412.28/x
  3. Step 3: Cross multiply
    26,181.09x = 39,275.28 × 8,412.28
  4. Step 4: Simplify right side
    26,181.09x = 330,394,652.44
  5. Step 5: Solve for x
    x = 330,394,652.44/26,181.09
  6. Step 6: Final answer
    x = 12,619.59

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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.