Home / 18,576.10-27,866.55-5,428.24

Finding the Fourth Proportional to 18,576.10, 27,866.55 and 5,428.24

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Solution

The fourth proportional to 18,576.10, 27,866.55 and 5,428.24 is: 8,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.10 : 27,866.55 = 5,428.24 : x
  2. Step 2: Convert to fraction form
    18,576.10/27,866.55 = 5,428.24/x
  3. Step 3: Cross multiply
    18,576.10x = 27,866.55 × 5,428.24
  4. Step 4: Simplify right side
    18,576.10x = 151,266,321.37
  5. Step 5: Solve for x
    x = 151,266,321.37/18,576.10
  6. Step 6: Final answer
    x = 8,143.06

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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.