Home / 26,977.04-40,451-12,168.64

Finding the Fourth Proportional to 26,977.04, 40,451 and 12,168.64

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Solution

The fourth proportional to 26,977.04, 40,451 and 12,168.64 is: 18,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,977.04 : 40,451 = 12,168.64 : x
  2. Step 2: Convert to fraction form
    26,977.04/40,451 = 12,168.64/x
  3. Step 3: Cross multiply
    26,977.04x = 40,451 × 12,168.64
  4. Step 4: Simplify right side
    26,977.04x = 492,233,656.64
  5. Step 5: Solve for x
    x = 492,233,656.64/26,977.04
  6. Step 6: Final answer
    x = 18,246.39

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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.