Home / 26,748.51-40,129.44-8,028.90

Finding the Fourth Proportional to 26,748.51, 40,129.44 and 8,028.90

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Solution

The fourth proportional to 26,748.51, 40,129.44 and 8,028.90 is: 12,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,748.51 : 40,129.44 = 8,028.90 : x
  2. Step 2: Convert to fraction form
    26,748.51/40,129.44 = 8,028.90/x
  3. Step 3: Cross multiply
    26,748.51x = 40,129.44 × 8,028.90
  4. Step 4: Simplify right side
    26,748.51x = 322,195,260.82
  5. Step 5: Solve for x
    x = 322,195,260.82/26,748.51
  6. Step 6: Final answer
    x = 12,045.35

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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.