Home / 87,643.24-131,477.82-25,314.28

Finding the Fourth Proportional to 87,643.24, 131,477.82 and 25,314.28

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Solution

The fourth proportional to 87,643.24, 131,477.82 and 25,314.28 is: 37,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,643.24 : 131,477.82 = 25,314.28 : x
  2. Step 2: Convert to fraction form
    87,643.24/131,477.82 = 25,314.28/x
  3. Step 3: Cross multiply
    87,643.24x = 131,477.82 × 25,314.28
  4. Step 4: Simplify right side
    87,643.24x = 3,328,266,349.27
  5. Step 5: Solve for x
    x = 3,328,266,349.27/87,643.24
  6. Step 6: Final answer
    x = 37,975.16

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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.