Home / 27,179.82-37,508.58-16,423.20

Finding the Fourth Proportional to 27,179.82, 37,508.58 and 16,423.20

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Solution

The fourth proportional to 27,179.82, 37,508.58 and 16,423.20 is: 22,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,179.82 : 37,508.58 = 16,423.20 : x
  2. Step 2: Convert to fraction form
    27,179.82/37,508.58 = 16,423.20/x
  3. Step 3: Cross multiply
    27,179.82x = 37,508.58 × 16,423.20
  4. Step 4: Simplify right side
    27,179.82x = 616,010,828.94
  5. Step 5: Solve for x
    x = 616,010,828.94/27,179.82
  6. Step 6: Final answer
    x = 22,664.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.