Home / 28,849.95-39,812.99-16,910.91

Finding the Fourth Proportional to 28,849.95, 39,812.99 and 16,910.91

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Solution

The fourth proportional to 28,849.95, 39,812.99 and 16,910.91 is: 23,337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.95 : 39,812.99 = 16,910.91 : x
  2. Step 2: Convert to fraction form
    28,849.95/39,812.99 = 16,910.91/x
  3. Step 3: Cross multiply
    28,849.95x = 39,812.99 × 16,910.91
  4. Step 4: Simplify right side
    28,849.95x = 673,273,806.17
  5. Step 5: Solve for x
    x = 673,273,806.17/28,849.95
  6. Step 6: Final answer
    x = 23,337.09

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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.