Home / 28,858.94-43,272.20-10,133.76

Finding the Fourth Proportional to 28,858.94, 43,272.20 and 10,133.76

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Solution

The fourth proportional to 28,858.94, 43,272.20 and 10,133.76 is: 15,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.94 : 43,272.20 = 10,133.76 : x
  2. Step 2: Convert to fraction form
    28,858.94/43,272.20 = 10,133.76/x
  3. Step 3: Cross multiply
    28,858.94x = 43,272.20 × 10,133.76
  4. Step 4: Simplify right side
    28,858.94x = 438,510,114.81
  5. Step 5: Solve for x
    x = 438,510,114.81/28,858.94
  6. Step 6: Final answer
    x = 15,194.95

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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.