Home / 27,678.86-41,518.44-6,902.36

Finding the Fourth Proportional to 27,678.86, 41,518.44 and 6,902.36

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Solution

The fourth proportional to 27,678.86, 41,518.44 and 6,902.36 is: 10,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,678.86 : 41,518.44 = 6,902.36 : x
  2. Step 2: Convert to fraction form
    27,678.86/41,518.44 = 6,902.36/x
  3. Step 3: Cross multiply
    27,678.86x = 41,518.44 × 6,902.36
  4. Step 4: Simplify right side
    27,678.86x = 286,575,219.52
  5. Step 5: Solve for x
    x = 286,575,219.52/27,678.86
  6. Step 6: Final answer
    x = 10,353.58

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1.5x scale

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.