Home / 27,363.94-37,762.68-15,427.87

Finding the Fourth Proportional to 27,363.94, 37,762.68 and 15,427.87

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Solution

The fourth proportional to 27,363.94, 37,762.68 and 15,427.87 is: 21,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,363.94 : 37,762.68 = 15,427.87 : x
  2. Step 2: Convert to fraction form
    27,363.94/37,762.68 = 15,427.87/x
  3. Step 3: Cross multiply
    27,363.94x = 37,762.68 × 15,427.87
  4. Step 4: Simplify right side
    27,363.94x = 582,597,717.89
  5. Step 5: Solve for x
    x = 582,597,717.89/27,363.94
  6. Step 6: Final answer
    x = 21,290.71

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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.