Home / 27,021.45-37,278.88-18,054.75

Finding the Fourth Proportional to 27,021.45, 37,278.88 and 18,054.75

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Solution

The fourth proportional to 27,021.45, 37,278.88 and 18,054.75 is: 24,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.45 : 37,278.88 = 18,054.75 : x
  2. Step 2: Convert to fraction form
    27,021.45/37,278.88 = 18,054.75/x
  3. Step 3: Cross multiply
    27,021.45x = 37,278.88 × 18,054.75
  4. Step 4: Simplify right side
    27,021.45x = 673,060,858.68
  5. Step 5: Solve for x
    x = 673,060,858.68/27,021.45
  6. Step 6: Final answer
    x = 24,908.39

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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.