Home / 26,638.08-39,957.20-6,916.80

Finding the Fourth Proportional to 26,638.08, 39,957.20 and 6,916.80

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Solution

The fourth proportional to 26,638.08, 39,957.20 and 6,916.80 is: 10,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.08 : 39,957.20 = 6,916.80 : x
  2. Step 2: Convert to fraction form
    26,638.08/39,957.20 = 6,916.80/x
  3. Step 3: Cross multiply
    26,638.08x = 39,957.20 × 6,916.80
  4. Step 4: Simplify right side
    26,638.08x = 276,375,926.38
  5. Step 5: Solve for x
    x = 276,375,926.38/26,638.08
  6. Step 6: Final answer
    x = 10,375.22

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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.