Home / 27,423.87-41,124.21-10,781.28

Finding the Fourth Proportional to 27,423.87, 41,124.21 and 10,781.28

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Solution

The fourth proportional to 27,423.87, 41,124.21 and 10,781.28 is: 16,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,423.87 : 41,124.21 = 10,781.28 : x
  2. Step 2: Convert to fraction form
    27,423.87/41,124.21 = 10,781.28/x
  3. Step 3: Cross multiply
    27,423.87x = 41,124.21 × 10,781.28
  4. Step 4: Simplify right side
    27,423.87x = 443,371,622.79
  5. Step 5: Solve for x
    x = 443,371,622.79/27,423.87
  6. Step 6: Final answer
    x = 16,167.36

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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.