Home / 26,330.96-36,340.68-15,150.80

Finding the Fourth Proportional to 26,330.96, 36,340.68 and 15,150.80

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Solution

The fourth proportional to 26,330.96, 36,340.68 and 15,150.80 is: 20,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,330.96 : 36,340.68 = 15,150.80 : x
  2. Step 2: Convert to fraction form
    26,330.96/36,340.68 = 15,150.80/x
  3. Step 3: Cross multiply
    26,330.96x = 36,340.68 × 15,150.80
  4. Step 4: Simplify right side
    26,330.96x = 550,590,374.54
  5. Step 5: Solve for x
    x = 550,590,374.54/26,330.96
  6. Step 6: Final answer
    x = 20,910.38

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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.