Home / 26,005.08-38,989.94-10,200.20

Finding the Fourth Proportional to 26,005.08, 38,989.94 and 10,200.20

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Solution

The fourth proportional to 26,005.08, 38,989.94 and 10,200.20 is: 15,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.08 : 38,989.94 = 10,200.20 : x
  2. Step 2: Convert to fraction form
    26,005.08/38,989.94 = 10,200.20/x
  3. Step 3: Cross multiply
    26,005.08x = 38,989.94 × 10,200.20
  4. Step 4: Simplify right side
    26,005.08x = 397,705,185.99
  5. Step 5: Solve for x
    x = 397,705,185.99/26,005.08
  6. Step 6: Final answer
    x = 15,293.37

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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.