Home / 28,932.12-39,933.70-16,364.16

Finding the Fourth Proportional to 28,932.12, 39,933.70 and 16,364.16

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Solution

The fourth proportional to 28,932.12, 39,933.70 and 16,364.16 is: 22,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.12 : 39,933.70 = 16,364.16 : x
  2. Step 2: Convert to fraction form
    28,932.12/39,933.70 = 16,364.16/x
  3. Step 3: Cross multiply
    28,932.12x = 39,933.70 × 16,364.16
  4. Step 4: Simplify right side
    28,932.12x = 653,481,456.19
  5. Step 5: Solve for x
    x = 653,481,456.19/28,932.12
  6. Step 6: Final answer
    x = 22,586.71

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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.