Home / 27,372.60-40,994.10-18,559.80

Finding the Fourth Proportional to 27,372.60, 40,994.10 and 18,559.80

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Solution

The fourth proportional to 27,372.60, 40,994.10 and 18,559.80 is: 27,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,372.60 : 40,994.10 = 18,559.80 : x
  2. Step 2: Convert to fraction form
    27,372.60/40,994.10 = 18,559.80/x
  3. Step 3: Cross multiply
    27,372.60x = 40,994.10 × 18,559.80
  4. Step 4: Simplify right side
    27,372.60x = 760,842,297.18
  5. Step 5: Solve for x
    x = 760,842,297.18/27,372.60
  6. Step 6: Final answer
    x = 27,795.76

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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.