Home / 28,658.88-42,962.67-11,124.54

Finding the Fourth Proportional to 28,658.88, 42,962.67 and 11,124.54

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Solution

The fourth proportional to 28,658.88, 42,962.67 and 11,124.54 is: 16,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658.88 : 42,962.67 = 11,124.54 : x
  2. Step 2: Convert to fraction form
    28,658.88/42,962.67 = 11,124.54/x
  3. Step 3: Cross multiply
    28,658.88x = 42,962.67 × 11,124.54
  4. Step 4: Simplify right side
    28,658.88x = 477,939,940.92
  5. Step 5: Solve for x
    x = 477,939,940.92/28,658.88
  6. Step 6: Final answer
    x = 16,676.85

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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.