Home / 28,078.22-42,173.22-17,566.85

Finding the Fourth Proportional to 28,078.22, 42,173.22 and 17,566.85

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Solution

The fourth proportional to 28,078.22, 42,173.22 and 17,566.85 is: 26,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078.22 : 42,173.22 = 17,566.85 : x
  2. Step 2: Convert to fraction form
    28,078.22/42,173.22 = 17,566.85/x
  3. Step 3: Cross multiply
    28,078.22x = 42,173.22 × 17,566.85
  4. Step 4: Simplify right side
    28,078.22x = 740,850,418.89
  5. Step 5: Solve for x
    x = 740,850,418.89/28,078.22
  6. Step 6: Final answer
    x = 26,385.24

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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.