Home / 25,610.96-35,349-21,411.92

Finding the Fourth Proportional to 25,610.96, 35,349 and 21,411.92

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Solution

The fourth proportional to 25,610.96, 35,349 and 21,411.92 is: 29,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,610.96 : 35,349 = 21,411.92 : x
  2. Step 2: Convert to fraction form
    25,610.96/35,349 = 21,411.92/x
  3. Step 3: Cross multiply
    25,610.96x = 35,349 × 21,411.92
  4. Step 4: Simplify right side
    25,610.96x = 756,889,960.08
  5. Step 5: Solve for x
    x = 756,889,960.08/25,610.96
  6. Step 6: Final answer
    x = 29,553.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.