Home / 28,829.70-39,785.28-16,084.02

Finding the Fourth Proportional to 28,829.70, 39,785.28 and 16,084.02

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Solution

The fourth proportional to 28,829.70, 39,785.28 and 16,084.02 is: 22,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.70 : 39,785.28 = 16,084.02 : x
  2. Step 2: Convert to fraction form
    28,829.70/39,785.28 = 16,084.02/x
  3. Step 3: Cross multiply
    28,829.70x = 39,785.28 × 16,084.02
  4. Step 4: Simplify right side
    28,829.70x = 639,907,239.23
  5. Step 5: Solve for x
    x = 639,907,239.23/28,829.70
  6. Step 6: Final answer
    x = 22,196.11

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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.