Home / 28,747.28-39,664.68-16,167.44

Finding the Fourth Proportional to 28,747.28, 39,664.68 and 16,167.44

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Solution

The fourth proportional to 28,747.28, 39,664.68 and 16,167.44 is: 22,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.28 : 39,664.68 = 16,167.44 : x
  2. Step 2: Convert to fraction form
    28,747.28/39,664.68 = 16,167.44/x
  3. Step 3: Cross multiply
    28,747.28x = 39,664.68 × 16,167.44
  4. Step 4: Simplify right side
    28,747.28x = 641,276,334.02
  5. Step 5: Solve for x
    x = 641,276,334.02/28,747.28
  6. Step 6: Final answer
    x = 22,307.37

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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.