Home / 26,269.44-39,401.28-7,800

Finding the Fourth Proportional to 26,269.44, 39,401.28 and 7,800

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Solution

The fourth proportional to 26,269.44, 39,401.28 and 7,800 is: 11,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,269.44 : 39,401.28 = 7,800 : x
  2. Step 2: Convert to fraction form
    26,269.44/39,401.28 = 7,800/x
  3. Step 3: Cross multiply
    26,269.44x = 39,401.28 × 7,800
  4. Step 4: Simplify right side
    26,269.44x = 307,329,984
  5. Step 5: Solve for x
    x = 307,329,984/26,269.44
  6. Step 6: Final answer
    x = 11,699.14

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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.