Home / 43,815.60-65,723.40-26,305.20

Finding the Fourth Proportional to 43,815.60, 65,723.40 and 26,305.20

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Solution

The fourth proportional to 43,815.60, 65,723.40 and 26,305.20 is: 39,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,815.60 : 65,723.40 = 26,305.20 : x
  2. Step 2: Convert to fraction form
    43,815.60/65,723.40 = 26,305.20/x
  3. Step 3: Cross multiply
    43,815.60x = 65,723.40 × 26,305.20
  4. Step 4: Simplify right side
    43,815.60x = 1,728,867,181.68
  5. Step 5: Solve for x
    x = 1,728,867,181.68/43,815.60
  6. Step 6: Final answer
    x = 39,457.80

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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.