Home / 28,286.38-39,040.98-16,348.06

Finding the Fourth Proportional to 28,286.38, 39,040.98 and 16,348.06

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Solution

The fourth proportional to 28,286.38, 39,040.98 and 16,348.06 is: 22,563.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,286.38 : 39,040.98 = 16,348.06 : x
  2. Step 2: Convert to fraction form
    28,286.38/39,040.98 = 16,348.06/x
  3. Step 3: Cross multiply
    28,286.38x = 39,040.98 × 16,348.06
  4. Step 4: Simplify right side
    28,286.38x = 638,244,283.50
  5. Step 5: Solve for x
    x = 638,244,283.50/28,286.38
  6. Step 6: Final answer
    x = 22,563.66

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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.