Home / 27,036.89-40,556.45-9,279.75

Finding the Fourth Proportional to 27,036.89, 40,556.45 and 9,279.75

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Solution

The fourth proportional to 27,036.89, 40,556.45 and 9,279.75 is: 13,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.89 : 40,556.45 = 9,279.75 : x
  2. Step 2: Convert to fraction form
    27,036.89/40,556.45 = 9,279.75/x
  3. Step 3: Cross multiply
    27,036.89x = 40,556.45 × 9,279.75
  4. Step 4: Simplify right side
    27,036.89x = 376,353,716.89
  5. Step 5: Solve for x
    x = 376,353,716.89/27,036.89
  6. Step 6: Final answer
    x = 13,920.01

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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.