Home / 25,745.92-35,545.42-19,765.68

Finding the Fourth Proportional to 25,745.92, 35,545.42 and 19,765.68

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Solution

The fourth proportional to 25,745.92, 35,545.42 and 19,765.68 is: 27,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,745.92 : 35,545.42 = 19,765.68 : x
  2. Step 2: Convert to fraction form
    25,745.92/35,545.42 = 19,765.68/x
  3. Step 3: Cross multiply
    25,745.92x = 35,545.42 × 19,765.68
  4. Step 4: Simplify right side
    25,745.92x = 702,579,397.19
  5. Step 5: Solve for x
    x = 702,579,397.19/25,745.92
  6. Step 6: Final answer
    x = 27,288.96

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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.