Home / 26,568.57-39,798.18-19,187.85

Finding the Fourth Proportional to 26,568.57, 39,798.18 and 19,187.85

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Solution

The fourth proportional to 26,568.57, 39,798.18 and 19,187.85 is: 28,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,568.57 : 39,798.18 = 19,187.85 : x
  2. Step 2: Convert to fraction form
    26,568.57/39,798.18 = 19,187.85/x
  3. Step 3: Cross multiply
    26,568.57x = 39,798.18 × 19,187.85
  4. Step 4: Simplify right side
    26,568.57x = 763,641,508.11
  5. Step 5: Solve for x
    x = 763,641,508.11/26,568.57
  6. Step 6: Final answer
    x = 28,742.29

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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.