Home / 27,438.44-37,819.74-18,360.55

Finding the Fourth Proportional to 27,438.44, 37,819.74 and 18,360.55

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Solution

The fourth proportional to 27,438.44, 37,819.74 and 18,360.55 is: 25,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.44 : 37,819.74 = 18,360.55 : x
  2. Step 2: Convert to fraction form
    27,438.44/37,819.74 = 18,360.55/x
  3. Step 3: Cross multiply
    27,438.44x = 37,819.74 × 18,360.55
  4. Step 4: Simplify right side
    27,438.44x = 694,391,227.26
  5. Step 5: Solve for x
    x = 694,391,227.26/27,438.44
  6. Step 6: Final answer
    x = 25,307.24

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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.