Home / 32,775.92-45,229.32-18,628.56

Finding the Fourth Proportional to 32,775.92, 45,229.32 and 18,628.56

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Solution

The fourth proportional to 32,775.92, 45,229.32 and 18,628.56 is: 25,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,775.92 : 45,229.32 = 18,628.56 : x
  2. Step 2: Convert to fraction form
    32,775.92/45,229.32 = 18,628.56/x
  3. Step 3: Cross multiply
    32,775.92x = 45,229.32 × 18,628.56
  4. Step 4: Simplify right side
    32,775.92x = 842,557,101.38
  5. Step 5: Solve for x
    x = 842,557,101.38/32,775.92
  6. Step 6: Final answer
    x = 25,706.59

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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.