Home / 26,159.58-36,114.00-20,998.94

Finding the Fourth Proportional to 26,159.58, 36,114.00 and 20,998.94

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Solution

The fourth proportional to 26,159.58, 36,114.00 and 20,998.94 is: 28,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,159.58 : 36,114.00 = 20,998.94 : x
  2. Step 2: Convert to fraction form
    26,159.58/36,114.00 = 20,998.94/x
  3. Step 3: Cross multiply
    26,159.58x = 36,114.00 × 20,998.94
  4. Step 4: Simplify right side
    26,159.58x = 758,355,433.60
  5. Step 5: Solve for x
    x = 758,355,433.60/26,159.58
  6. Step 6: Final answer
    x = 28,989.59

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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.