Home / 28,513.53-39,349.89-16,249.32

Finding the Fourth Proportional to 28,513.53, 39,349.89 and 16,249.32

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Solution

The fourth proportional to 28,513.53, 39,349.89 and 16,249.32 is: 22,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,513.53 : 39,349.89 = 16,249.32 : x
  2. Step 2: Convert to fraction form
    28,513.53/39,349.89 = 16,249.32/x
  3. Step 3: Cross multiply
    28,513.53x = 39,349.89 × 16,249.32
  4. Step 4: Simplify right side
    28,513.53x = 639,408,954.57
  5. Step 5: Solve for x
    x = 639,408,954.57/28,513.53
  6. Step 6: Final answer
    x = 22,424.76

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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.