Home / 25,691.72-38,511.48-17,372.69

Finding the Fourth Proportional to 25,691.72, 38,511.48 and 17,372.69

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Solution

The fourth proportional to 25,691.72, 38,511.48 and 17,372.69 is: 26,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.72 : 38,511.48 = 17,372.69 : x
  2. Step 2: Convert to fraction form
    25,691.72/38,511.48 = 17,372.69/x
  3. Step 3: Cross multiply
    25,691.72x = 38,511.48 × 17,372.69
  4. Step 4: Simplify right side
    25,691.72x = 669,047,810.92
  5. Step 5: Solve for x
    x = 669,047,810.92/25,691.72
  6. Step 6: Final answer
    x = 26,041.38

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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.