Home / 23,878.40-35,805.22-12,639.83

Finding the Fourth Proportional to 23,878.40, 35,805.22 and 12,639.83

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Solution

The fourth proportional to 23,878.40, 35,805.22 and 12,639.83 is: 18,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,878.40 : 35,805.22 = 12,639.83 : x
  2. Step 2: Convert to fraction form
    23,878.40/35,805.22 = 12,639.83/x
  3. Step 3: Cross multiply
    23,878.40x = 35,805.22 × 12,639.83
  4. Step 4: Simplify right side
    23,878.40x = 452,571,893.91
  5. Step 5: Solve for x
    x = 452,571,893.91/23,878.40
  6. Step 6: Final answer
    x = 18,953.19

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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.