Home / 27,420.94-41,132.87-8,702.43

Finding the Fourth Proportional to 27,420.94, 41,132.87 and 8,702.43

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Solution

The fourth proportional to 27,420.94, 41,132.87 and 8,702.43 is: 13,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.94 : 41,132.87 = 8,702.43 : x
  2. Step 2: Convert to fraction form
    27,420.94/41,132.87 = 8,702.43/x
  3. Step 3: Cross multiply
    27,420.94x = 41,132.87 × 8,702.43
  4. Step 4: Simplify right side
    27,420.94x = 357,955,921.87
  5. Step 5: Solve for x
    x = 357,955,921.87/27,420.94
  6. Step 6: Final answer
    x = 13,054.11

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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.