Home / 28,869.62-39,829.46-16,928.60

Finding the Fourth Proportional to 28,869.62, 39,829.46 and 16,928.60

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Solution

The fourth proportional to 28,869.62, 39,829.46 and 16,928.60 is: 23,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.62 : 39,829.46 = 16,928.60 : x
  2. Step 2: Convert to fraction form
    28,869.62/39,829.46 = 16,928.60/x
  3. Step 3: Cross multiply
    28,869.62x = 39,829.46 × 16,928.60
  4. Step 4: Simplify right side
    28,869.62x = 674,256,712.77
  5. Step 5: Solve for x
    x = 674,256,712.77/28,869.62
  6. Step 6: Final answer
    x = 23,355.24

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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.