Home / 28,589.70-39,454.20-16,014.54

Finding the Fourth Proportional to 28,589.70, 39,454.20 and 16,014.54

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Solution

The fourth proportional to 28,589.70, 39,454.20 and 16,014.54 is: 22,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589.70 : 39,454.20 = 16,014.54 : x
  2. Step 2: Convert to fraction form
    28,589.70/39,454.20 = 16,014.54/x
  3. Step 3: Cross multiply
    28,589.70x = 39,454.20 × 16,014.54
  4. Step 4: Simplify right side
    28,589.70x = 631,840,864.07
  5. Step 5: Solve for x
    x = 631,840,864.07/28,589.70
  6. Step 6: Final answer
    x = 22,100.30

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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.