Home / 28,942.08-39,936-16,366.08

Finding the Fourth Proportional to 28,942.08, 39,936 and 16,366.08

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Solution

The fourth proportional to 28,942.08, 39,936 and 16,366.08 is: 22,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.08 : 39,936 = 16,366.08 : x
  2. Step 2: Convert to fraction form
    28,942.08/39,936 = 16,366.08/x
  3. Step 3: Cross multiply
    28,942.08x = 39,936 × 16,366.08
  4. Step 4: Simplify right side
    28,942.08x = 653,595,770.88
  5. Step 5: Solve for x
    x = 653,595,770.88/28,942.08
  6. Step 6: Final answer
    x = 22,582.89

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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.