Home / 26,185.92-39,278.88-18,429.36

Finding the Fourth Proportional to 26,185.92, 39,278.88 and 18,429.36

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Solution

The fourth proportional to 26,185.92, 39,278.88 and 18,429.36 is: 27,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,185.92 : 39,278.88 = 18,429.36 : x
  2. Step 2: Convert to fraction form
    26,185.92/39,278.88 = 18,429.36/x
  3. Step 3: Cross multiply
    26,185.92x = 39,278.88 × 18,429.36
  4. Step 4: Simplify right side
    26,185.92x = 723,884,619.92
  5. Step 5: Solve for x
    x = 723,884,619.92/26,185.92
  6. Step 6: Final answer
    x = 27,644.04

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Similar ratio
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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.