Home / 27,304.12-37,679.52-15,367.56

Finding the Fourth Proportional to 27,304.12, 37,679.52 and 15,367.56

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Solution

The fourth proportional to 27,304.12, 37,679.52 and 15,367.56 is: 21,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,304.12 : 37,679.52 = 15,367.56 : x
  2. Step 2: Convert to fraction form
    27,304.12/37,679.52 = 15,367.56/x
  3. Step 3: Cross multiply
    27,304.12x = 37,679.52 × 15,367.56
  4. Step 4: Simplify right side
    27,304.12x = 579,042,284.37
  5. Step 5: Solve for x
    x = 579,042,284.37/27,304.12
  6. Step 6: Final answer
    x = 21,207.14

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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.