Home / 26,719.52-40,076.20-7,000

Finding the Fourth Proportional to 26,719.52, 40,076.20 and 7,000

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Solution

The fourth proportional to 26,719.52, 40,076.20 and 7,000 is: 10,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.52 : 40,076.20 = 7,000 : x
  2. Step 2: Convert to fraction form
    26,719.52/40,076.20 = 7,000/x
  3. Step 3: Cross multiply
    26,719.52x = 40,076.20 × 7,000
  4. Step 4: Simplify right side
    26,719.52x = 280,533,400
  5. Step 5: Solve for x
    x = 280,533,400/26,719.52
  6. Step 6: Final answer
    x = 10,499.19

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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.