Home / 18,022-27,032.88-4,875.72

Finding the Fourth Proportional to 18,022, 27,032.88 and 4,875.72

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Solution

The fourth proportional to 18,022, 27,032.88 and 4,875.72 is: 7,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022 : 27,032.88 = 4,875.72 : x
  2. Step 2: Convert to fraction form
    18,022/27,032.88 = 4,875.72/x
  3. Step 3: Cross multiply
    18,022x = 27,032.88 × 4,875.72
  4. Step 4: Simplify right side
    18,022x = 131,804,753.67
  5. Step 5: Solve for x
    x = 131,804,753.67/18,022
  6. Step 6: Final answer
    x = 7,313.55

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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.