Home / 26,638.10-39,965.05-8,871.06

Finding the Fourth Proportional to 26,638.10, 39,965.05 and 8,871.06

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Solution

The fourth proportional to 26,638.10, 39,965.05 and 8,871.06 is: 13,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.10 : 39,965.05 = 8,871.06 : x
  2. Step 2: Convert to fraction form
    26,638.10/39,965.05 = 8,871.06/x
  3. Step 3: Cross multiply
    26,638.10x = 39,965.05 × 8,871.06
  4. Step 4: Simplify right side
    26,638.10x = 354,532,217.67
  5. Step 5: Solve for x
    x = 354,532,217.67/26,638.10
  6. Step 6: Final answer
    x = 13,309.21

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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.