Home / 23,999.60-35,999.40-8,418.80

Finding the Fourth Proportional to 23,999.60, 35,999.40 and 8,418.80

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Solution

The fourth proportional to 23,999.60, 35,999.40 and 8,418.80 is: 12,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.60 : 35,999.40 = 8,418.80 : x
  2. Step 2: Convert to fraction form
    23,999.60/35,999.40 = 8,418.80/x
  3. Step 3: Cross multiply
    23,999.60x = 35,999.40 × 8,418.80
  4. Step 4: Simplify right side
    23,999.60x = 303,071,748.72
  5. Step 5: Solve for x
    x = 303,071,748.72/23,999.60
  6. Step 6: Final answer
    x = 12,628.20

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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.