Home / 25,147.22-37,721.14-7,617.82

Finding the Fourth Proportional to 25,147.22, 37,721.14 and 7,617.82

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Solution

The fourth proportional to 25,147.22, 37,721.14 and 7,617.82 is: 11,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.22 : 37,721.14 = 7,617.82 : x
  2. Step 2: Convert to fraction form
    25,147.22/37,721.14 = 7,617.82/x
  3. Step 3: Cross multiply
    25,147.22x = 37,721.14 × 7,617.82
  4. Step 4: Simplify right side
    25,147.22x = 287,352,854.71
  5. Step 5: Solve for x
    x = 287,352,854.71/25,147.22
  6. Step 6: Final answer
    x = 11,426.82

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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.