Home / 27,863.07-38,451.04-15,926.67

Finding the Fourth Proportional to 27,863.07, 38,451.04 and 15,926.67

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Solution

The fourth proportional to 27,863.07, 38,451.04 and 15,926.67 is: 21,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.07 : 38,451.04 = 15,926.67 : x
  2. Step 2: Convert to fraction form
    27,863.07/38,451.04 = 15,926.67/x
  3. Step 3: Cross multiply
    27,863.07x = 38,451.04 × 15,926.67
  4. Step 4: Simplify right side
    27,863.07x = 612,396,865.26
  5. Step 5: Solve for x
    x = 612,396,865.26/27,863.07
  6. Step 6: Final answer
    x = 21,978.80

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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.