Home / 28,861.78-39,829.08-16,114.22

Finding the Fourth Proportional to 28,861.78, 39,829.08 and 16,114.22

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Solution

The fourth proportional to 28,861.78, 39,829.08 and 16,114.22 is: 22,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.78 : 39,829.08 = 16,114.22 : x
  2. Step 2: Convert to fraction form
    28,861.78/39,829.08 = 16,114.22/x
  3. Step 3: Cross multiply
    28,861.78x = 39,829.08 × 16,114.22
  4. Step 4: Simplify right side
    28,861.78x = 641,814,557.52
  5. Step 5: Solve for x
    x = 641,814,557.52/28,861.78
  6. Step 6: Final answer
    x = 22,237.53

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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.