Home / 18,628.41-27,942.36-4,588.60

Finding the Fourth Proportional to 18,628.41, 27,942.36 and 4,588.60

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Solution

The fourth proportional to 18,628.41, 27,942.36 and 4,588.60 is: 6,882.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.41 : 27,942.36 = 4,588.60 : x
  2. Step 2: Convert to fraction form
    18,628.41/27,942.36 = 4,588.60/x
  3. Step 3: Cross multiply
    18,628.41x = 27,942.36 × 4,588.60
  4. Step 4: Simplify right side
    18,628.41x = 128,216,313.10
  5. Step 5: Solve for x
    x = 128,216,313.10/18,628.41
  6. Step 6: Final answer
    x = 6,882.84

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1.5x scale

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.