Home / 28,401.75-39,194.55-16,472.16

Finding the Fourth Proportional to 28,401.75, 39,194.55 and 16,472.16

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Solution

The fourth proportional to 28,401.75, 39,194.55 and 16,472.16 is: 22,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401.75 : 39,194.55 = 16,472.16 : x
  2. Step 2: Convert to fraction form
    28,401.75/39,194.55 = 16,472.16/x
  3. Step 3: Cross multiply
    28,401.75x = 39,194.55 × 16,472.16
  4. Step 4: Simplify right side
    28,401.75x = 645,618,898.73
  5. Step 5: Solve for x
    x = 645,618,898.73/28,401.75
  6. Step 6: Final answer
    x = 22,731.66

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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.