Home / 38,109.72-57,164.60-15,910.99

Finding the Fourth Proportional to 38,109.72, 57,164.60 and 15,910.99

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Solution

The fourth proportional to 38,109.72, 57,164.60 and 15,910.99 is: 23,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109.72 : 57,164.60 = 15,910.99 : x
  2. Step 2: Convert to fraction form
    38,109.72/57,164.60 = 15,910.99/x
  3. Step 3: Cross multiply
    38,109.72x = 57,164.60 × 15,910.99
  4. Step 4: Simplify right side
    38,109.72x = 909,545,299.40
  5. Step 5: Solve for x
    x = 909,545,299.40/38,109.72
  6. Step 6: Final answer
    x = 23,866.49

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Similar ratio
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1.5x scale

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.