Home / 28,467.28-39,288.36-17,137.36

Finding the Fourth Proportional to 28,467.28, 39,288.36 and 17,137.36

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Solution

The fourth proportional to 28,467.28, 39,288.36 and 17,137.36 is: 23,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.28 : 39,288.36 = 17,137.36 : x
  2. Step 2: Convert to fraction form
    28,467.28/39,288.36 = 17,137.36/x
  3. Step 3: Cross multiply
    28,467.28x = 39,288.36 × 17,137.36
  4. Step 4: Simplify right side
    28,467.28x = 673,298,769.13
  5. Step 5: Solve for x
    x = 673,298,769.13/28,467.28
  6. Step 6: Final answer
    x = 23,651.67

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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.