Home / 27,422.07-41,139.25-8,702.72

Finding the Fourth Proportional to 27,422.07, 41,139.25 and 8,702.72

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Solution

The fourth proportional to 27,422.07, 41,139.25 and 8,702.72 is: 13,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.07 : 41,139.25 = 8,702.72 : x
  2. Step 2: Convert to fraction form
    27,422.07/41,139.25 = 8,702.72/x
  3. Step 3: Cross multiply
    27,422.07x = 41,139.25 × 8,702.72
  4. Step 4: Simplify right side
    27,422.07x = 358,023,178.94
  5. Step 5: Solve for x
    x = 358,023,178.94/27,422.07
  6. Step 6: Final answer
    x = 13,056.02

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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.