Home / 27,353.94-37,747.34-15,419.75

Finding the Fourth Proportional to 27,353.94, 37,747.34 and 15,419.75

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Solution

The fourth proportional to 27,353.94, 37,747.34 and 15,419.75 is: 21,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,353.94 : 37,747.34 = 15,419.75 : x
  2. Step 2: Convert to fraction form
    27,353.94/37,747.34 = 15,419.75/x
  3. Step 3: Cross multiply
    27,353.94x = 37,747.34 × 15,419.75
  4. Step 4: Simplify right side
    27,353.94x = 582,054,280.13
  5. Step 5: Solve for x
    x = 582,054,280.13/27,353.94
  6. Step 6: Final answer
    x = 21,278.63

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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.