Home / 27,683.20-38,202.84-15,748.88

Finding the Fourth Proportional to 27,683.20, 38,202.84 and 15,748.88

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Solution

The fourth proportional to 27,683.20, 38,202.84 and 15,748.88 is: 21,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.20 : 38,202.84 = 15,748.88 : x
  2. Step 2: Convert to fraction form
    27,683.20/38,202.84 = 15,748.88/x
  3. Step 3: Cross multiply
    27,683.20x = 38,202.84 × 15,748.88
  4. Step 4: Simplify right side
    27,683.20x = 601,651,942.82
  5. Step 5: Solve for x
    x = 601,651,942.82/27,683.20
  6. Step 6: Final answer
    x = 21,733.47

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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.