Home / 28,013.52-38,658.83-16,076.95

Finding the Fourth Proportional to 28,013.52, 38,658.83 and 16,076.95

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Solution

The fourth proportional to 28,013.52, 38,658.83 and 16,076.95 is: 22,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.52 : 38,658.83 = 16,076.95 : x
  2. Step 2: Convert to fraction form
    28,013.52/38,658.83 = 16,076.95/x
  3. Step 3: Cross multiply
    28,013.52x = 38,658.83 × 16,076.95
  4. Step 4: Simplify right side
    28,013.52x = 621,515,899.94
  5. Step 5: Solve for x
    x = 621,515,899.94/28,013.52
  6. Step 6: Final answer
    x = 22,186.28

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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.