Home / 28,821.72-39,772.58-16,076.24

Finding the Fourth Proportional to 28,821.72, 39,772.58 and 16,076.24

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Solution

The fourth proportional to 28,821.72, 39,772.58 and 16,076.24 is: 22,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821.72 : 39,772.58 = 16,076.24 : x
  2. Step 2: Convert to fraction form
    28,821.72/39,772.58 = 16,076.24/x
  3. Step 3: Cross multiply
    28,821.72x = 39,772.58 × 16,076.24
  4. Step 4: Simplify right side
    28,821.72x = 639,393,262.26
  5. Step 5: Solve for x
    x = 639,393,262.26/28,821.72
  6. Step 6: Final answer
    x = 22,184.42

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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.