Home / 26,375.54-36,406.05-18,809.88

Finding the Fourth Proportional to 26,375.54, 36,406.05 and 18,809.88

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Solution

The fourth proportional to 26,375.54, 36,406.05 and 18,809.88 is: 25,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375.54 : 36,406.05 = 18,809.88 : x
  2. Step 2: Convert to fraction form
    26,375.54/36,406.05 = 18,809.88/x
  3. Step 3: Cross multiply
    26,375.54x = 36,406.05 × 18,809.88
  4. Step 4: Simplify right side
    26,375.54x = 684,793,431.77
  5. Step 5: Solve for x
    x = 684,793,431.77/26,375.54
  6. Step 6: Final answer
    x = 25,963.20

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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.