Home / 26,638.82-39,953.28-8,869.76

Finding the Fourth Proportional to 26,638.82, 39,953.28 and 8,869.76

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Solution

The fourth proportional to 26,638.82, 39,953.28 and 8,869.76 is: 13,302.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.82 : 39,953.28 = 8,869.76 : x
  2. Step 2: Convert to fraction form
    26,638.82/39,953.28 = 8,869.76/x
  3. Step 3: Cross multiply
    26,638.82x = 39,953.28 × 8,869.76
  4. Step 4: Simplify right side
    26,638.82x = 354,376,004.81
  5. Step 5: Solve for x
    x = 354,376,004.81/26,638.82
  6. Step 6: Final answer
    x = 13,302.99

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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.