Home / 19,264.22-28,885.39-11,478.50

Finding the Fourth Proportional to 19,264.22, 28,885.39 and 11,478.50

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Solution

The fourth proportional to 19,264.22, 28,885.39 and 11,478.50 is: 17,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.22 : 28,885.39 = 11,478.50 : x
  2. Step 2: Convert to fraction form
    19,264.22/28,885.39 = 11,478.50/x
  3. Step 3: Cross multiply
    19,264.22x = 28,885.39 × 11,478.50
  4. Step 4: Simplify right side
    19,264.22x = 331,560,949.12
  5. Step 5: Solve for x
    x = 331,560,949.12/19,264.22
  6. Step 6: Final answer
    x = 17,211.23

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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.