Home / 28,453.59-39,263.76-16,350.15

Finding the Fourth Proportional to 28,453.59, 39,263.76 and 16,350.15

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Solution

The fourth proportional to 28,453.59, 39,263.76 and 16,350.15 is: 22,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453.59 : 39,263.76 = 16,350.15 : x
  2. Step 2: Convert to fraction form
    28,453.59/39,263.76 = 16,350.15/x
  3. Step 3: Cross multiply
    28,453.59x = 39,263.76 × 16,350.15
  4. Step 4: Simplify right side
    28,453.59x = 641,968,365.56
  5. Step 5: Solve for x
    x = 641,968,365.56/28,453.59
  6. Step 6: Final answer
    x = 22,561.95

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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.