Home / 28,689.84-39,589.92-16,114.32

Finding the Fourth Proportional to 28,689.84, 39,589.92 and 16,114.32

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Solution

The fourth proportional to 28,689.84, 39,589.92 and 16,114.32 is: 22,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689.84 : 39,589.92 = 16,114.32 : x
  2. Step 2: Convert to fraction form
    28,689.84/39,589.92 = 16,114.32/x
  3. Step 3: Cross multiply
    28,689.84x = 39,589.92 × 16,114.32
  4. Step 4: Simplify right side
    28,689.84x = 637,964,639.65
  5. Step 5: Solve for x
    x = 637,964,639.65/28,689.84
  6. Step 6: Final answer
    x = 22,236.61

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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.