Home / 26,929.85-40,394.18-7,208.39

Finding the Fourth Proportional to 26,929.85, 40,394.18 and 7,208.39

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Solution

The fourth proportional to 26,929.85, 40,394.18 and 7,208.39 is: 10,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.85 : 40,394.18 = 7,208.39 : x
  2. Step 2: Convert to fraction form
    26,929.85/40,394.18 = 7,208.39/x
  3. Step 3: Cross multiply
    26,929.85x = 40,394.18 × 7,208.39
  4. Step 4: Simplify right side
    26,929.85x = 291,177,122.18
  5. Step 5: Solve for x
    x = 291,177,122.18/26,929.85
  6. Step 6: Final answer
    x = 10,812.43

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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.