Home / 27,428.90-41,144.88-7,705.91

Finding the Fourth Proportional to 27,428.90, 41,144.88 and 7,705.91

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Solution

The fourth proportional to 27,428.90, 41,144.88 and 7,705.91 is: 11,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.90 : 41,144.88 = 7,705.91 : x
  2. Step 2: Convert to fraction form
    27,428.90/41,144.88 = 7,705.91/x
  3. Step 3: Cross multiply
    27,428.90x = 41,144.88 × 7,705.91
  4. Step 4: Simplify right side
    27,428.90x = 317,058,742.24
  5. Step 5: Solve for x
    x = 317,058,742.24/27,428.90
  6. Step 6: Final answer
    x = 11,559.29

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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.