Home / 26,912.25-37,138.91-15,136.25

Finding the Fourth Proportional to 26,912.25, 37,138.91 and 15,136.25

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Solution

The fourth proportional to 26,912.25, 37,138.91 and 15,136.25 is: 20,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.25 : 37,138.91 = 15,136.25 : x
  2. Step 2: Convert to fraction form
    26,912.25/37,138.91 = 15,136.25/x
  3. Step 3: Cross multiply
    26,912.25x = 37,138.91 × 15,136.25
  4. Step 4: Simplify right side
    26,912.25x = 562,143,750.81
  5. Step 5: Solve for x
    x = 562,143,750.81/26,912.25
  6. Step 6: Final answer
    x = 20,888.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.