Home / 28,792.44-43,195.68-12,143.52

Finding the Fourth Proportional to 28,792.44, 43,195.68 and 12,143.52

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Solution

The fourth proportional to 28,792.44, 43,195.68 and 12,143.52 is: 18,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.44 : 43,195.68 = 12,143.52 : x
  2. Step 2: Convert to fraction form
    28,792.44/43,195.68 = 12,143.52/x
  3. Step 3: Cross multiply
    28,792.44x = 43,195.68 × 12,143.52
  4. Step 4: Simplify right side
    28,792.44x = 524,547,603.99
  5. Step 5: Solve for x
    x = 524,547,603.99/28,792.44
  6. Step 6: Final answer
    x = 18,218.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.