Home / 28,423.58-39,227.22-16,325.75

Finding the Fourth Proportional to 28,423.58, 39,227.22 and 16,325.75

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Solution

The fourth proportional to 28,423.58, 39,227.22 and 16,325.75 is: 22,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.58 : 39,227.22 = 16,325.75 : x
  2. Step 2: Convert to fraction form
    28,423.58/39,227.22 = 16,325.75/x
  3. Step 3: Cross multiply
    28,423.58x = 39,227.22 × 16,325.75
  4. Step 4: Simplify right side
    28,423.58x = 640,413,884.98
  5. Step 5: Solve for x
    x = 640,413,884.98/28,423.58
  6. Step 6: Final answer
    x = 22,531.08

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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.