Home / 28,145.94-38,834.09-16,810.44

Finding the Fourth Proportional to 28,145.94, 38,834.09 and 16,810.44

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Solution

The fourth proportional to 28,145.94, 38,834.09 and 16,810.44 is: 23,194.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145.94 : 38,834.09 = 16,810.44 : x
  2. Step 2: Convert to fraction form
    28,145.94/38,834.09 = 16,810.44/x
  3. Step 3: Cross multiply
    28,145.94x = 38,834.09 × 16,810.44
  4. Step 4: Simplify right side
    28,145.94x = 652,818,139.90
  5. Step 5: Solve for x
    x = 652,818,139.90/28,145.94
  6. Step 6: Final answer
    x = 23,194.04

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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.