Home / 25,175.30-37,760.51-7,645.28

Finding the Fourth Proportional to 25,175.30, 37,760.51 and 7,645.28

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Solution

The fourth proportional to 25,175.30, 37,760.51 and 7,645.28 is: 11,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.30 : 37,760.51 = 7,645.28 : x
  2. Step 2: Convert to fraction form
    25,175.30/37,760.51 = 7,645.28/x
  3. Step 3: Cross multiply
    25,175.30x = 37,760.51 × 7,645.28
  4. Step 4: Simplify right side
    25,175.30x = 288,689,633.67
  5. Step 5: Solve for x
    x = 288,689,633.67/25,175.30
  6. Step 6: Final answer
    x = 11,467.18

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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.