Home / 28,436.33-42,597.39-14,161.80

Finding the Fourth Proportional to 28,436.33, 42,597.39 and 14,161.80

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Solution

The fourth proportional to 28,436.33, 42,597.39 and 14,161.80 is: 21,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436.33 : 42,597.39 = 14,161.80 : x
  2. Step 2: Convert to fraction form
    28,436.33/42,597.39 = 14,161.80/x
  3. Step 3: Cross multiply
    28,436.33x = 42,597.39 × 14,161.80
  4. Step 4: Simplify right side
    28,436.33x = 603,255,930.55
  5. Step 5: Solve for x
    x = 603,255,930.55/28,436.33
  6. Step 6: Final answer
    x = 21,214.27

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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.