Home / 26,177.92-39,266.88-12,328

Finding the Fourth Proportional to 26,177.92, 39,266.88 and 12,328

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Solution

The fourth proportional to 26,177.92, 39,266.88 and 12,328 is: 18,492

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,177.92 : 39,266.88 = 12,328 : x
  2. Step 2: Convert to fraction form
    26,177.92/39,266.88 = 12,328/x
  3. Step 3: Cross multiply
    26,177.92x = 39,266.88 × 12,328
  4. Step 4: Simplify right side
    26,177.92x = 484,082,096.64
  5. Step 5: Solve for x
    x = 484,082,096.64/26,177.92
  6. Step 6: Final answer
    x = 18,492

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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.