Home / 27,687.89-41,508.21-12,689.93

Finding the Fourth Proportional to 27,687.89, 41,508.21 and 12,689.93

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Solution

The fourth proportional to 27,687.89, 41,508.21 and 12,689.93 is: 19,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.89 : 41,508.21 = 12,689.93 : x
  2. Step 2: Convert to fraction form
    27,687.89/41,508.21 = 12,689.93/x
  3. Step 3: Cross multiply
    27,687.89x = 41,508.21 × 12,689.93
  4. Step 4: Simplify right side
    27,687.89x = 526,736,430.68
  5. Step 5: Solve for x
    x = 526,736,430.68/27,687.89
  6. Step 6: Final answer
    x = 19,024.07

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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.