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Finding the Fourth Proportional to 25,607.92, 38,414.76 and 10,814.08

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Solution

The fourth proportional to 25,607.92, 38,414.76 and 10,814.08 is: 16,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,607.92 : 38,414.76 = 10,814.08 : x
  2. Step 2: Convert to fraction form
    25,607.92/38,414.76 = 10,814.08/x
  3. Step 3: Cross multiply
    25,607.92x = 38,414.76 × 10,814.08
  4. Step 4: Simplify right side
    25,607.92x = 415,420,287.82
  5. Step 5: Solve for x
    x = 415,420,287.82/25,607.92
  6. Step 6: Final answer
    x = 16,222.34

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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.