Home / 27,320.58-37,698.39-15,381.54

Finding the Fourth Proportional to 27,320.58, 37,698.39 and 15,381.54

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Solution

The fourth proportional to 27,320.58, 37,698.39 and 15,381.54 is: 21,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.58 : 37,698.39 = 15,381.54 : x
  2. Step 2: Convert to fraction form
    27,320.58/37,698.39 = 15,381.54/x
  3. Step 3: Cross multiply
    27,320.58x = 37,698.39 × 15,381.54
  4. Step 4: Simplify right side
    27,320.58x = 579,859,293.72
  5. Step 5: Solve for x
    x = 579,859,293.72/27,320.58
  6. Step 6: Final answer
    x = 21,224.27

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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.