Home / 19,042.22-26,253.09-15,626.78

Finding the Fourth Proportional to 19,042.22, 26,253.09 and 15,626.78

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Solution

The fourth proportional to 19,042.22, 26,253.09 and 15,626.78 is: 21,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.22 : 26,253.09 = 15,626.78 : x
  2. Step 2: Convert to fraction form
    19,042.22/26,253.09 = 15,626.78/x
  3. Step 3: Cross multiply
    19,042.22x = 26,253.09 × 15,626.78
  4. Step 4: Simplify right side
    19,042.22x = 410,251,261.75
  5. Step 5: Solve for x
    x = 410,251,261.75/19,042.22
  6. Step 6: Final answer
    x = 21,544.30

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Half scale
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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.