Home / 26,111.26-39,166.90-7,643.26

Finding the Fourth Proportional to 26,111.26, 39,166.90 and 7,643.26

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Solution

The fourth proportional to 26,111.26, 39,166.90 and 7,643.26 is: 11,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.26 : 39,166.90 = 7,643.26 : x
  2. Step 2: Convert to fraction form
    26,111.26/39,166.90 = 7,643.26/x
  3. Step 3: Cross multiply
    26,111.26x = 39,166.90 × 7,643.26
  4. Step 4: Simplify right side
    26,111.26x = 299,362,800.09
  5. Step 5: Solve for x
    x = 299,362,800.09/26,111.26
  6. Step 6: Final answer
    x = 11,464.89

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Similar ratio
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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.