Home / 26,481.30-39,702.68-12,434.10

Finding the Fourth Proportional to 26,481.30, 39,702.68 and 12,434.10

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Solution

The fourth proportional to 26,481.30, 39,702.68 and 12,434.10 is: 18,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.30 : 39,702.68 = 12,434.10 : x
  2. Step 2: Convert to fraction form
    26,481.30/39,702.68 = 12,434.10/x
  3. Step 3: Cross multiply
    26,481.30x = 39,702.68 × 12,434.10
  4. Step 4: Simplify right side
    26,481.30x = 493,666,894.87
  5. Step 5: Solve for x
    x = 493,666,894.87/26,481.30
  6. Step 6: Final answer
    x = 18,642.10

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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.