Home / 18,431.16-27,580.92-14,757

Finding the Fourth Proportional to 18,431.16, 27,580.92 and 14,757

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Solution

The fourth proportional to 18,431.16, 27,580.92 and 14,757 is: 22,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.16 : 27,580.92 = 14,757 : x
  2. Step 2: Convert to fraction form
    18,431.16/27,580.92 = 14,757/x
  3. Step 3: Cross multiply
    18,431.16x = 27,580.92 × 14,757
  4. Step 4: Simplify right side
    18,431.16x = 407,011,636.44
  5. Step 5: Solve for x
    x = 407,011,636.44/18,431.16
  6. Step 6: Final answer
    x = 22,082.80

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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.