Home / 28,753.36-39,679.36-16,177.84

Finding the Fourth Proportional to 28,753.36, 39,679.36 and 16,177.84

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Solution

The fourth proportional to 28,753.36, 39,679.36 and 16,177.84 is: 22,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.36 : 39,679.36 = 16,177.84 : x
  2. Step 2: Convert to fraction form
    28,753.36/39,679.36 = 16,177.84/x
  3. Step 3: Cross multiply
    28,753.36x = 39,679.36 × 16,177.84
  4. Step 4: Simplify right side
    28,753.36x = 641,926,337.38
  5. Step 5: Solve for x
    x = 641,926,337.38/28,753.36
  6. Step 6: Final answer
    x = 22,325.26

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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.