Home / 28,932.36-39,922.38-16,356.84

Finding the Fourth Proportional to 28,932.36, 39,922.38 and 16,356.84

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Solution

The fourth proportional to 28,932.36, 39,922.38 and 16,356.84 is: 22,570.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.36 : 39,922.38 = 16,356.84 : x
  2. Step 2: Convert to fraction form
    28,932.36/39,922.38 = 16,356.84/x
  3. Step 3: Cross multiply
    28,932.36x = 39,922.38 × 16,356.84
  4. Step 4: Simplify right side
    28,932.36x = 653,003,982.08
  5. Step 5: Solve for x
    x = 653,003,982.08/28,932.36
  6. Step 6: Final answer
    x = 22,570.02

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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.