Home / 28,072.07-42,109.92-8,348.97

Finding the Fourth Proportional to 28,072.07, 42,109.92 and 8,348.97

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Solution

The fourth proportional to 28,072.07, 42,109.92 and 8,348.97 is: 12,524.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.07 : 42,109.92 = 8,348.97 : x
  2. Step 2: Convert to fraction form
    28,072.07/42,109.92 = 8,348.97/x
  3. Step 3: Cross multiply
    28,072.07x = 42,109.92 × 8,348.97
  4. Step 4: Simplify right side
    28,072.07x = 351,574,458.78
  5. Step 5: Solve for x
    x = 351,574,458.78/28,072.07
  6. Step 6: Final answer
    x = 12,524.00

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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.