Home / 28,572.10-39,434.17-17,086.26

Finding the Fourth Proportional to 28,572.10, 39,434.17 and 17,086.26

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Solution

The fourth proportional to 28,572.10, 39,434.17 and 17,086.26 is: 23,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.10 : 39,434.17 = 17,086.26 : x
  2. Step 2: Convert to fraction form
    28,572.10/39,434.17 = 17,086.26/x
  3. Step 3: Cross multiply
    28,572.10x = 39,434.17 × 17,086.26
  4. Step 4: Simplify right side
    28,572.10x = 673,782,481.50
  5. Step 5: Solve for x
    x = 673,782,481.50/28,572.10
  6. Step 6: Final answer
    x = 23,581.83

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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.