Home / 27,184.10-40,748.61-18,419.90

Finding the Fourth Proportional to 27,184.10, 40,748.61 and 18,419.90

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Solution

The fourth proportional to 27,184.10, 40,748.61 and 18,419.90 is: 27,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,184.10 : 40,748.61 = 18,419.90 : x
  2. Step 2: Convert to fraction form
    27,184.10/40,748.61 = 18,419.90/x
  3. Step 3: Cross multiply
    27,184.10x = 40,748.61 × 18,419.90
  4. Step 4: Simplify right side
    27,184.10x = 750,585,321.34
  5. Step 5: Solve for x
    x = 750,585,321.34/27,184.10
  6. Step 6: Final answer
    x = 27,611.19

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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.