Home / 41,288.72-61,884.36-17,865.68

Finding the Fourth Proportional to 41,288.72, 61,884.36 and 17,865.68

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Solution

The fourth proportional to 41,288.72, 61,884.36 and 17,865.68 is: 26,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,288.72 : 61,884.36 = 17,865.68 : x
  2. Step 2: Convert to fraction form
    41,288.72/61,884.36 = 17,865.68/x
  3. Step 3: Cross multiply
    41,288.72x = 61,884.36 × 17,865.68
  4. Step 4: Simplify right side
    41,288.72x = 1,105,606,172.76
  5. Step 5: Solve for x
    x = 1,105,606,172.76/41,288.72
  6. Step 6: Final answer
    x = 26,777.44

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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.