Home / 27,810.56-38,379.06-15,234.50

Finding the Fourth Proportional to 27,810.56, 38,379.06 and 15,234.50

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Solution

The fourth proportional to 27,810.56, 38,379.06 and 15,234.50 is: 21,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.56 : 38,379.06 = 15,234.50 : x
  2. Step 2: Convert to fraction form
    27,810.56/38,379.06 = 15,234.50/x
  3. Step 3: Cross multiply
    27,810.56x = 38,379.06 × 15,234.50
  4. Step 4: Simplify right side
    27,810.56x = 584,685,789.57
  5. Step 5: Solve for x
    x = 584,685,789.57/27,810.56
  6. Step 6: Final answer
    x = 21,023.88

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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.