Home / 25,748.32-38,618.16-7,276

Finding the Fourth Proportional to 25,748.32, 38,618.16 and 7,276

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Solution

The fourth proportional to 25,748.32, 38,618.16 and 7,276 is: 10,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.32 : 38,618.16 = 7,276 : x
  2. Step 2: Convert to fraction form
    25,748.32/38,618.16 = 7,276/x
  3. Step 3: Cross multiply
    25,748.32x = 38,618.16 × 7,276
  4. Step 4: Simplify right side
    25,748.32x = 280,985,732.16
  5. Step 5: Solve for x
    x = 280,985,732.16/25,748.32
  6. Step 6: Final answer
    x = 10,912.78

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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.