Home / 28,869.96-39,829.32-16,928.94

Finding the Fourth Proportional to 28,869.96, 39,829.32 and 16,928.94

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Solution

The fourth proportional to 28,869.96, 39,829.32 and 16,928.94 is: 23,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.96 : 39,829.32 = 16,928.94 : x
  2. Step 2: Convert to fraction form
    28,869.96/39,829.32 = 16,928.94/x
  3. Step 3: Cross multiply
    28,869.96x = 39,829.32 × 16,928.94
  4. Step 4: Simplify right side
    28,869.96x = 674,268,168.52
  5. Step 5: Solve for x
    x = 674,268,168.52/28,869.96
  6. Step 6: Final answer
    x = 23,355.36

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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.