Home / 28,872.36-43,224.06-26,105.40

Finding the Fourth Proportional to 28,872.36, 43,224.06 and 26,105.40

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Solution

The fourth proportional to 28,872.36, 43,224.06 and 26,105.40 is: 39,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.36 : 43,224.06 = 26,105.40 : x
  2. Step 2: Convert to fraction form
    28,872.36/43,224.06 = 26,105.40/x
  3. Step 3: Cross multiply
    28,872.36x = 43,224.06 × 26,105.40
  4. Step 4: Simplify right side
    28,872.36x = 1,128,381,375.92
  5. Step 5: Solve for x
    x = 1,128,381,375.92/28,872.36
  6. Step 6: Final answer
    x = 39,081.72

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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.