Home / 27,129.04-40,704.27-8,410.55

Finding the Fourth Proportional to 27,129.04, 40,704.27 and 8,410.55

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Solution

The fourth proportional to 27,129.04, 40,704.27 and 8,410.55 is: 12,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.04 : 40,704.27 = 8,410.55 : x
  2. Step 2: Convert to fraction form
    27,129.04/40,704.27 = 8,410.55/x
  3. Step 3: Cross multiply
    27,129.04x = 40,704.27 × 8,410.55
  4. Step 4: Simplify right side
    27,129.04x = 342,345,094.53
  5. Step 5: Solve for x
    x = 342,345,094.53/27,129.04
  6. Step 6: Final answer
    x = 12,619.14

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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.