Home / 20,283.88-30,427.76-5,492.96

Finding the Fourth Proportional to 20,283.88, 30,427.76 and 5,492.96

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Solution

The fourth proportional to 20,283.88, 30,427.76 and 5,492.96 is: 8,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,283.88 : 30,427.76 = 5,492.96 : x
  2. Step 2: Convert to fraction form
    20,283.88/30,427.76 = 5,492.96/x
  3. Step 3: Cross multiply
    20,283.88x = 30,427.76 × 5,492.96
  4. Step 4: Simplify right side
    20,283.88x = 167,138,468.57
  5. Step 5: Solve for x
    x = 167,138,468.57/20,283.88
  6. Step 6: Final answer
    x = 8,239.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.