Home / 17,520.40-26,379.36-15,453.28

Finding the Fourth Proportional to 17,520.40, 26,379.36 and 15,453.28

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Solution

The fourth proportional to 17,520.40, 26,379.36 and 15,453.28 is: 23,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.40 : 26,379.36 = 15,453.28 : x
  2. Step 2: Convert to fraction form
    17,520.40/26,379.36 = 15,453.28/x
  3. Step 3: Cross multiply
    17,520.40x = 26,379.36 × 15,453.28
  4. Step 4: Simplify right side
    17,520.40x = 407,647,636.30
  5. Step 5: Solve for x
    x = 407,647,636.30/17,520.40
  6. Step 6: Final answer
    x = 23,267.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.