Home / 28,791.38-39,731.45-16,044.50

Finding the Fourth Proportional to 28,791.38, 39,731.45 and 16,044.50

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Solution

The fourth proportional to 28,791.38, 39,731.45 and 16,044.50 is: 22,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.38 : 39,731.45 = 16,044.50 : x
  2. Step 2: Convert to fraction form
    28,791.38/39,731.45 = 16,044.50/x
  3. Step 3: Cross multiply
    28,791.38x = 39,731.45 × 16,044.50
  4. Step 4: Simplify right side
    28,791.38x = 637,471,249.53
  5. Step 5: Solve for x
    x = 637,471,249.53/28,791.38
  6. Step 6: Final answer
    x = 22,141.05

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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.