Home / 27,371.91-37,775.43-15,436.36

Finding the Fourth Proportional to 27,371.91, 37,775.43 and 15,436.36

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Solution

The fourth proportional to 27,371.91, 37,775.43 and 15,436.36 is: 21,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,371.91 : 37,775.43 = 15,436.36 : x
  2. Step 2: Convert to fraction form
    27,371.91/37,775.43 = 15,436.36/x
  3. Step 3: Cross multiply
    27,371.91x = 37,775.43 × 15,436.36
  4. Step 4: Simplify right side
    27,371.91x = 583,115,136.63
  5. Step 5: Solve for x
    x = 583,115,136.63/27,371.91
  6. Step 6: Final answer
    x = 21,303.41

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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.