Home / 27,732.85-38,270.78-15,795.88

Finding the Fourth Proportional to 27,732.85, 38,270.78 and 15,795.88

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Solution

The fourth proportional to 27,732.85, 38,270.78 and 15,795.88 is: 21,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.85 : 38,270.78 = 15,795.88 : x
  2. Step 2: Convert to fraction form
    27,732.85/38,270.78 = 15,795.88/x
  3. Step 3: Cross multiply
    27,732.85x = 38,270.78 × 15,795.88
  4. Step 4: Simplify right side
    27,732.85x = 604,520,532.96
  5. Step 5: Solve for x
    x = 604,520,532.96/27,732.85
  6. Step 6: Final answer
    x = 21,798.00

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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.