Home / 27,676.85-38,192.76-15,576.66

Finding the Fourth Proportional to 27,676.85, 38,192.76 and 15,576.66

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Solution

The fourth proportional to 27,676.85, 38,192.76 and 15,576.66 is: 21,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.85 : 38,192.76 = 15,576.66 : x
  2. Step 2: Convert to fraction form
    27,676.85/38,192.76 = 15,576.66/x
  3. Step 3: Cross multiply
    27,676.85x = 38,192.76 × 15,576.66
  4. Step 4: Simplify right side
    27,676.85x = 594,915,636.98
  5. Step 5: Solve for x
    x = 594,915,636.98/27,676.85
  6. Step 6: Final answer
    x = 21,495.07

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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.