Home / 26,069.85-39,090.20-8,538.21

Finding the Fourth Proportional to 26,069.85, 39,090.20 and 8,538.21

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Solution

The fourth proportional to 26,069.85, 39,090.20 and 8,538.21 is: 12,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,069.85 : 39,090.20 = 8,538.21 : x
  2. Step 2: Convert to fraction form
    26,069.85/39,090.20 = 8,538.21/x
  3. Step 3: Cross multiply
    26,069.85x = 39,090.20 × 8,538.21
  4. Step 4: Simplify right side
    26,069.85x = 333,760,293.85
  5. Step 5: Solve for x
    x = 333,760,293.85/26,069.85
  6. Step 6: Final answer
    x = 12,802.54

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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.