Home / 25,731.30-38,600.55-10,940.10

Finding the Fourth Proportional to 25,731.30, 38,600.55 and 10,940.10

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Solution

The fourth proportional to 25,731.30, 38,600.55 and 10,940.10 is: 16,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.30 : 38,600.55 = 10,940.10 : x
  2. Step 2: Convert to fraction form
    25,731.30/38,600.55 = 10,940.10/x
  3. Step 3: Cross multiply
    25,731.30x = 38,600.55 × 10,940.10
  4. Step 4: Simplify right side
    25,731.30x = 422,293,877.06
  5. Step 5: Solve for x
    x = 422,293,877.06/25,731.30
  6. Step 6: Final answer
    x = 16,411.68

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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.