Home / 28,824.35-39,772.50-16,249.10

Finding the Fourth Proportional to 28,824.35, 39,772.50 and 16,249.10

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Solution

The fourth proportional to 28,824.35, 39,772.50 and 16,249.10 is: 22,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.35 : 39,772.50 = 16,249.10 : x
  2. Step 2: Convert to fraction form
    28,824.35/39,772.50 = 16,249.10/x
  3. Step 3: Cross multiply
    28,824.35x = 39,772.50 × 16,249.10
  4. Step 4: Simplify right side
    28,824.35x = 646,267,329.75
  5. Step 5: Solve for x
    x = 646,267,329.75/28,824.35
  6. Step 6: Final answer
    x = 22,420.88

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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.