Home / 27,057.68-37,339.49-15,121.01

Finding the Fourth Proportional to 27,057.68, 37,339.49 and 15,121.01

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Solution

The fourth proportional to 27,057.68, 37,339.49 and 15,121.01 is: 20,866.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.68 : 37,339.49 = 15,121.01 : x
  2. Step 2: Convert to fraction form
    27,057.68/37,339.49 = 15,121.01/x
  3. Step 3: Cross multiply
    27,057.68x = 37,339.49 × 15,121.01
  4. Step 4: Simplify right side
    27,057.68x = 564,610,726.08
  5. Step 5: Solve for x
    x = 564,610,726.08/27,057.68
  6. Step 6: Final answer
    x = 20,866.93

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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.