Home / 28,838.28-39,794.52-16,899.96

Finding the Fourth Proportional to 28,838.28, 39,794.52 and 16,899.96

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Solution

The fourth proportional to 28,838.28, 39,794.52 and 16,899.96 is: 23,320.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.28 : 39,794.52 = 16,899.96 : x
  2. Step 2: Convert to fraction form
    28,838.28/39,794.52 = 16,899.96/x
  3. Step 3: Cross multiply
    28,838.28x = 39,794.52 × 16,899.96
  4. Step 4: Simplify right side
    28,838.28x = 672,525,796.22
  5. Step 5: Solve for x
    x = 672,525,796.22/28,838.28
  6. Step 6: Final answer
    x = 23,320.59

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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.