Home / 28,803.18-39,747.99-16,228.14

Finding the Fourth Proportional to 28,803.18, 39,747.99 and 16,228.14

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Solution

The fourth proportional to 28,803.18, 39,747.99 and 16,228.14 is: 22,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.18 : 39,747.99 = 16,228.14 : x
  2. Step 2: Convert to fraction form
    28,803.18/39,747.99 = 16,228.14/x
  3. Step 3: Cross multiply
    28,803.18x = 39,747.99 × 16,228.14
  4. Step 4: Simplify right side
    28,803.18x = 645,035,946.44
  5. Step 5: Solve for x
    x = 645,035,946.44/28,803.18
  6. Step 6: Final answer
    x = 22,394.61

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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.