Home / 28,790.13-43,197.71-10,083.59

Finding the Fourth Proportional to 28,790.13, 43,197.71 and 10,083.59

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Solution

The fourth proportional to 28,790.13, 43,197.71 and 10,083.59 is: 15,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790.13 : 43,197.71 = 10,083.59 : x
  2. Step 2: Convert to fraction form
    28,790.13/43,197.71 = 10,083.59/x
  3. Step 3: Cross multiply
    28,790.13x = 43,197.71 × 10,083.59
  4. Step 4: Simplify right side
    28,790.13x = 435,587,730.17
  5. Step 5: Solve for x
    x = 435,587,730.17/28,790.13
  6. Step 6: Final answer
    x = 15,129.76

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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.