Home / 26,220.82-39,307.92-18,806.62

Finding the Fourth Proportional to 26,220.82, 39,307.92 and 18,806.62

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Solution

The fourth proportional to 26,220.82, 39,307.92 and 18,806.62 is: 28,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.82 : 39,307.92 = 18,806.62 : x
  2. Step 2: Convert to fraction form
    26,220.82/39,307.92 = 18,806.62/x
  3. Step 3: Cross multiply
    26,220.82x = 39,307.92 × 18,806.62
  4. Step 4: Simplify right side
    26,220.82x = 739,249,114.43
  5. Step 5: Solve for x
    x = 739,249,114.43/26,220.82
  6. Step 6: Final answer
    x = 28,193.21

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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.