Home / 26,119.36-39,144.81-12,077.60

Finding the Fourth Proportional to 26,119.36, 39,144.81 and 12,077.60

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Solution

The fourth proportional to 26,119.36, 39,144.81 and 12,077.60 is: 18,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,119.36 : 39,144.81 = 12,077.60 : x
  2. Step 2: Convert to fraction form
    26,119.36/39,144.81 = 12,077.60/x
  3. Step 3: Cross multiply
    26,119.36x = 39,144.81 × 12,077.60
  4. Step 4: Simplify right side
    26,119.36x = 472,775,357.26
  5. Step 5: Solve for x
    x = 472,775,357.26/26,119.36
  6. Step 6: Final answer
    x = 18,100.58

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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.