Home / 26,310.64-39,466.50-8,780.62

Finding the Fourth Proportional to 26,310.64, 39,466.50 and 8,780.62

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Solution

The fourth proportional to 26,310.64, 39,466.50 and 8,780.62 is: 13,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,310.64 : 39,466.50 = 8,780.62 : x
  2. Step 2: Convert to fraction form
    26,310.64/39,466.50 = 8,780.62/x
  3. Step 3: Cross multiply
    26,310.64x = 39,466.50 × 8,780.62
  4. Step 4: Simplify right side
    26,310.64x = 346,540,339.23
  5. Step 5: Solve for x
    x = 346,540,339.23/26,310.64
  6. Step 6: Final answer
    x = 13,171.11

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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.