Home / 26,120.80-36,046.20-14,789.44

Finding the Fourth Proportional to 26,120.80, 36,046.20 and 14,789.44

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Solution

The fourth proportional to 26,120.80, 36,046.20 and 14,789.44 is: 20,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120.80 : 36,046.20 = 14,789.44 : x
  2. Step 2: Convert to fraction form
    26,120.80/36,046.20 = 14,789.44/x
  3. Step 3: Cross multiply
    26,120.80x = 36,046.20 × 14,789.44
  4. Step 4: Simplify right side
    26,120.80x = 533,103,112.13
  5. Step 5: Solve for x
    x = 533,103,112.13/26,120.80
  6. Step 6: Final answer
    x = 20,409.14

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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.