Home / 26,317.10-39,462.84-8,781

Finding the Fourth Proportional to 26,317.10, 39,462.84 and 8,781

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Solution

The fourth proportional to 26,317.10, 39,462.84 and 8,781 is: 13,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,317.10 : 39,462.84 = 8,781 : x
  2. Step 2: Convert to fraction form
    26,317.10/39,462.84 = 8,781/x
  3. Step 3: Cross multiply
    26,317.10x = 39,462.84 × 8,781
  4. Step 4: Simplify right side
    26,317.10x = 346,523,198.04
  5. Step 5: Solve for x
    x = 346,523,198.04/26,317.10
  6. Step 6: Final answer
    x = 13,167.23

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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.