Home / 27,819.50-38,377.13-25,818.39

Finding the Fourth Proportional to 27,819.50, 38,377.13 and 25,818.39

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Solution

The fourth proportional to 27,819.50, 38,377.13 and 25,818.39 is: 35,616.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.50 : 38,377.13 = 25,818.39 : x
  2. Step 2: Convert to fraction form
    27,819.50/38,377.13 = 25,818.39/x
  3. Step 3: Cross multiply
    27,819.50x = 38,377.13 × 25,818.39
  4. Step 4: Simplify right side
    27,819.50x = 990,835,580.33
  5. Step 5: Solve for x
    x = 990,835,580.33/27,819.50
  6. Step 6: Final answer
    x = 35,616.59

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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.