Home / 28,329.18-42,455.48-10,789.44

Finding the Fourth Proportional to 28,329.18, 42,455.48 and 10,789.44

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Solution

The fourth proportional to 28,329.18, 42,455.48 and 10,789.44 is: 16,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.18 : 42,455.48 = 10,789.44 : x
  2. Step 2: Convert to fraction form
    28,329.18/42,455.48 = 10,789.44/x
  3. Step 3: Cross multiply
    28,329.18x = 42,455.48 × 10,789.44
  4. Step 4: Simplify right side
    28,329.18x = 458,070,640.98
  5. Step 5: Solve for x
    x = 458,070,640.98/28,329.18
  6. Step 6: Final answer
    x = 16,169.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.