Home / 27,933.36-38,548.44-15,358.56

Finding the Fourth Proportional to 27,933.36, 38,548.44 and 15,358.56

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Solution

The fourth proportional to 27,933.36, 38,548.44 and 15,358.56 is: 21,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.36 : 38,548.44 = 15,358.56 : x
  2. Step 2: Convert to fraction form
    27,933.36/38,548.44 = 15,358.56/x
  3. Step 3: Cross multiply
    27,933.36x = 38,548.44 × 15,358.56
  4. Step 4: Simplify right side
    27,933.36x = 592,048,528.65
  5. Step 5: Solve for x
    x = 592,048,528.65/27,933.36
  6. Step 6: Final answer
    x = 21,195.03

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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.