Home / 28,825.16-39,776.82-16,249.64

Finding the Fourth Proportional to 28,825.16, 39,776.82 and 16,249.64

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Solution

The fourth proportional to 28,825.16, 39,776.82 and 16,249.64 is: 22,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.16 : 39,776.82 = 16,249.64 : x
  2. Step 2: Convert to fraction form
    28,825.16/39,776.82 = 16,249.64/x
  3. Step 3: Cross multiply
    28,825.16x = 39,776.82 × 16,249.64
  4. Step 4: Simplify right side
    28,825.16x = 646,359,005.34
  5. Step 5: Solve for x
    x = 646,359,005.34/28,825.16
  6. Step 6: Final answer
    x = 22,423.43

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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.