Home / 38,172.06-57,280.41-15,983.55

Finding the Fourth Proportional to 38,172.06, 57,280.41 and 15,983.55

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Solution

The fourth proportional to 38,172.06, 57,280.41 and 15,983.55 is: 23,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.06 : 57,280.41 = 15,983.55 : x
  2. Step 2: Convert to fraction form
    38,172.06/57,280.41 = 15,983.55/x
  3. Step 3: Cross multiply
    38,172.06x = 57,280.41 × 15,983.55
  4. Step 4: Simplify right side
    38,172.06x = 915,544,297.26
  5. Step 5: Solve for x
    x = 915,544,297.26/38,172.06
  6. Step 6: Final answer
    x = 23,984.67

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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.