Home / 27,818.69-38,375.30-18,274.25

Finding the Fourth Proportional to 27,818.69, 38,375.30 and 18,274.25

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Solution

The fourth proportional to 27,818.69, 38,375.30 and 18,274.25 is: 25,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,818.69 : 38,375.30 = 18,274.25 : x
  2. Step 2: Convert to fraction form
    27,818.69/38,375.30 = 18,274.25/x
  3. Step 3: Cross multiply
    27,818.69x = 38,375.30 × 18,274.25
  4. Step 4: Simplify right side
    27,818.69x = 701,279,967.65
  5. Step 5: Solve for x
    x = 701,279,967.65/27,818.69
  6. Step 6: Final answer
    x = 25,208.95

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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.