Home / 25,440.38-38,160.63-7,910.22

Finding the Fourth Proportional to 25,440.38, 38,160.63 and 7,910.22

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Solution

The fourth proportional to 25,440.38, 38,160.63 and 7,910.22 is: 11,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.38 : 38,160.63 = 7,910.22 : x
  2. Step 2: Convert to fraction form
    25,440.38/38,160.63 = 7,910.22/x
  3. Step 3: Cross multiply
    25,440.38x = 38,160.63 × 7,910.22
  4. Step 4: Simplify right side
    25,440.38x = 301,858,978.64
  5. Step 5: Solve for x
    x = 301,858,978.64/25,440.38
  6. Step 6: Final answer
    x = 11,865.35

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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.