Home / 28,933.95-39,928.48-16,998.37

Finding the Fourth Proportional to 28,933.95, 39,928.48 and 16,998.37

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Solution

The fourth proportional to 28,933.95, 39,928.48 and 16,998.37 is: 23,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.95 : 39,928.48 = 16,998.37 : x
  2. Step 2: Convert to fraction form
    28,933.95/39,928.48 = 16,998.37/x
  3. Step 3: Cross multiply
    28,933.95x = 39,928.48 × 16,998.37
  4. Step 4: Simplify right side
    28,933.95x = 678,719,076.58
  5. Step 5: Solve for x
    x = 678,719,076.58/28,933.95
  6. Step 6: Final answer
    x = 23,457.53

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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.