Home / 28,861.05-39,827.86-16,114.43

Finding the Fourth Proportional to 28,861.05, 39,827.86 and 16,114.43

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Solution

The fourth proportional to 28,861.05, 39,827.86 and 16,114.43 is: 22,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.05 : 39,827.86 = 16,114.43 : x
  2. Step 2: Convert to fraction form
    28,861.05/39,827.86 = 16,114.43/x
  3. Step 3: Cross multiply
    28,861.05x = 39,827.86 × 16,114.43
  4. Step 4: Simplify right side
    28,861.05x = 641,803,262.02
  5. Step 5: Solve for x
    x = 641,803,262.02/28,861.05
  6. Step 6: Final answer
    x = 22,237.70

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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.