Home / 26,927.22-40,399.08-13,788.90

Finding the Fourth Proportional to 26,927.22, 40,399.08 and 13,788.90

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Solution

The fourth proportional to 26,927.22, 40,399.08 and 13,788.90 is: 20,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,927.22 : 40,399.08 = 13,788.90 : x
  2. Step 2: Convert to fraction form
    26,927.22/40,399.08 = 13,788.90/x
  3. Step 3: Cross multiply
    26,927.22x = 40,399.08 × 13,788.90
  4. Step 4: Simplify right side
    26,927.22x = 557,058,874.21
  5. Step 5: Solve for x
    x = 557,058,874.21/26,927.22
  6. Step 6: Final answer
    x = 20,687.57

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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.