Home / 28,827.18-39,791.43-16,894.38

Finding the Fourth Proportional to 28,827.18, 39,791.43 and 16,894.38

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Solution

The fourth proportional to 28,827.18, 39,791.43 and 16,894.38 is: 23,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.18 : 39,791.43 = 16,894.38 : x
  2. Step 2: Convert to fraction form
    28,827.18/39,791.43 = 16,894.38/x
  3. Step 3: Cross multiply
    28,827.18x = 39,791.43 × 16,894.38
  4. Step 4: Simplify right side
    28,827.18x = 672,251,539.16
  5. Step 5: Solve for x
    x = 672,251,539.16/28,827.18
  6. Step 6: Final answer
    x = 23,320.06

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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.