Home / 23,859.60-35,723.70-12,115.50

Finding the Fourth Proportional to 23,859.60, 35,723.70 and 12,115.50

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Solution

The fourth proportional to 23,859.60, 35,723.70 and 12,115.50 is: 18,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,859.60 : 35,723.70 = 12,115.50 : x
  2. Step 2: Convert to fraction form
    23,859.60/35,723.70 = 12,115.50/x
  3. Step 3: Cross multiply
    23,859.60x = 35,723.70 × 12,115.50
  4. Step 4: Simplify right side
    23,859.60x = 432,810,487.35
  5. Step 5: Solve for x
    x = 432,810,487.35/23,859.60
  6. Step 6: Final answer
    x = 18,139.89

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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.