Home / 28,561.56-42,827.64-16,738.44

Finding the Fourth Proportional to 28,561.56, 42,827.64 and 16,738.44

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Solution

The fourth proportional to 28,561.56, 42,827.64 and 16,738.44 is: 25,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,561.56 : 42,827.64 = 16,738.44 : x
  2. Step 2: Convert to fraction form
    28,561.56/42,827.64 = 16,738.44/x
  3. Step 3: Cross multiply
    28,561.56x = 42,827.64 × 16,738.44
  4. Step 4: Simplify right side
    28,561.56x = 716,867,882.48
  5. Step 5: Solve for x
    x = 716,867,882.48/28,561.56
  6. Step 6: Final answer
    x = 25,099.05

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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.