Home / 28,393.03-39,194.69-17,788.82

Finding the Fourth Proportional to 28,393.03, 39,194.69 and 17,788.82

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Solution

The fourth proportional to 28,393.03, 39,194.69 and 17,788.82 is: 24,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393.03 : 39,194.69 = 17,788.82 : x
  2. Step 2: Convert to fraction form
    28,393.03/39,194.69 = 17,788.82/x
  3. Step 3: Cross multiply
    28,393.03x = 39,194.69 × 17,788.82
  4. Step 4: Simplify right side
    28,393.03x = 697,227,000.45
  5. Step 5: Solve for x
    x = 697,227,000.45/28,393.03
  6. Step 6: Final answer
    x = 24,556.27

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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.