Home / 27,300.60-40,942.64-10,656.12

Finding the Fourth Proportional to 27,300.60, 40,942.64 and 10,656.12

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Solution

The fourth proportional to 27,300.60, 40,942.64 and 10,656.12 is: 15,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,300.60 : 40,942.64 = 10,656.12 : x
  2. Step 2: Convert to fraction form
    27,300.60/40,942.64 = 10,656.12/x
  3. Step 3: Cross multiply
    27,300.60x = 40,942.64 × 10,656.12
  4. Step 4: Simplify right side
    27,300.60x = 436,289,684.96
  5. Step 5: Solve for x
    x = 436,289,684.96/27,300.60
  6. Step 6: Final answer
    x = 15,980.96

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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.