Home / 38,269.65-57,404.60-11,615.85

Finding the Fourth Proportional to 38,269.65, 57,404.60 and 11,615.85

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Solution

The fourth proportional to 38,269.65, 57,404.60 and 11,615.85 is: 17,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.65 : 57,404.60 = 11,615.85 : x
  2. Step 2: Convert to fraction form
    38,269.65/57,404.60 = 11,615.85/x
  3. Step 3: Cross multiply
    38,269.65x = 57,404.60 × 11,615.85
  4. Step 4: Simplify right side
    38,269.65x = 666,803,164.83
  5. Step 5: Solve for x
    x = 666,803,164.83/38,269.65
  6. Step 6: Final answer
    x = 17,423.81

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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.