Home / 27,215.04-37,556.64-15,279.44

Finding the Fourth Proportional to 27,215.04, 37,556.64 and 15,279.44

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Solution

The fourth proportional to 27,215.04, 37,556.64 and 15,279.44 is: 21,085.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.04 : 37,556.64 = 15,279.44 : x
  2. Step 2: Convert to fraction form
    27,215.04/37,556.64 = 15,279.44/x
  3. Step 3: Cross multiply
    27,215.04x = 37,556.64 × 15,279.44
  4. Step 4: Simplify right side
    27,215.04x = 573,844,427.48
  5. Step 5: Solve for x
    x = 573,844,427.48/27,215.04
  6. Step 6: Final answer
    x = 21,085.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.