Home / 36,419.78-54,668.55-15,657.86

Finding the Fourth Proportional to 36,419.78, 54,668.55 and 15,657.86

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Solution

The fourth proportional to 36,419.78, 54,668.55 and 15,657.86 is: 23,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.78 : 54,668.55 = 15,657.86 : x
  2. Step 2: Convert to fraction form
    36,419.78/54,668.55 = 15,657.86/x
  3. Step 3: Cross multiply
    36,419.78x = 54,668.55 × 15,657.86
  4. Step 4: Simplify right side
    36,419.78x = 855,992,502.30
  5. Step 5: Solve for x
    x = 855,992,502.30/36,419.78
  6. Step 6: Final answer
    x = 23,503.51

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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.