Home / 27,057.37-37,339.27-15,120.91

Finding the Fourth Proportional to 27,057.37, 37,339.27 and 15,120.91

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Solution

The fourth proportional to 27,057.37, 37,339.27 and 15,120.91 is: 20,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.37 : 37,339.27 = 15,120.91 : x
  2. Step 2: Convert to fraction form
    27,057.37/37,339.27 = 15,120.91/x
  3. Step 3: Cross multiply
    27,057.37x = 37,339.27 × 15,120.91
  4. Step 4: Simplify right side
    27,057.37x = 564,603,741.14
  5. Step 5: Solve for x
    x = 564,603,741.14/27,057.37
  6. Step 6: Final answer
    x = 20,866.91

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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.