Home / 25,992.92-35,828.10-20,317.64

Finding the Fourth Proportional to 25,992.92, 35,828.10 and 20,317.64

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Solution

The fourth proportional to 25,992.92, 35,828.10 and 20,317.64 is: 28,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,992.92 : 35,828.10 = 20,317.64 : x
  2. Step 2: Convert to fraction form
    25,992.92/35,828.10 = 20,317.64/x
  3. Step 3: Cross multiply
    25,992.92x = 35,828.10 × 20,317.64
  4. Step 4: Simplify right side
    25,992.92x = 727,942,437.68
  5. Step 5: Solve for x
    x = 727,942,437.68/25,992.92
  6. Step 6: Final answer
    x = 28,005.41

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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.