Home / 28,827.43-39,777.28-16,249.75

Finding the Fourth Proportional to 28,827.43, 39,777.28 and 16,249.75

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Solution

The fourth proportional to 28,827.43, 39,777.28 and 16,249.75 is: 22,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.43 : 39,777.28 = 16,249.75 : x
  2. Step 2: Convert to fraction form
    28,827.43/39,777.28 = 16,249.75/x
  3. Step 3: Cross multiply
    28,827.43x = 39,777.28 × 16,249.75
  4. Step 4: Simplify right side
    28,827.43x = 646,370,855.68
  5. Step 5: Solve for x
    x = 646,370,855.68/28,827.43
  6. Step 6: Final answer
    x = 22,422.08

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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.