Home / 28,018.26-42,021.57-8,292.19

Finding the Fourth Proportional to 28,018.26, 42,021.57 and 8,292.19

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Solution

The fourth proportional to 28,018.26, 42,021.57 and 8,292.19 is: 12,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018.26 : 42,021.57 = 8,292.19 : x
  2. Step 2: Convert to fraction form
    28,018.26/42,021.57 = 8,292.19/x
  3. Step 3: Cross multiply
    28,018.26x = 42,021.57 × 8,292.19
  4. Step 4: Simplify right side
    28,018.26x = 348,450,842.54
  5. Step 5: Solve for x
    x = 348,450,842.54/28,018.26
  6. Step 6: Final answer
    x = 12,436.56

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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.