Home / 28,770.24-43,111.40-19,375.52

Finding the Fourth Proportional to 28,770.24, 43,111.40 and 19,375.52

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Solution

The fourth proportional to 28,770.24, 43,111.40 and 19,375.52 is: 29,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.24 : 43,111.40 = 19,375.52 : x
  2. Step 2: Convert to fraction form
    28,770.24/43,111.40 = 19,375.52/x
  3. Step 3: Cross multiply
    28,770.24x = 43,111.40 × 19,375.52
  4. Step 4: Simplify right side
    28,770.24x = 835,305,792.93
  5. Step 5: Solve for x
    x = 835,305,792.93/28,770.24
  6. Step 6: Final answer
    x = 29,033.67

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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.