Home / 26,702.17-40,061.28-7,982.81

Finding the Fourth Proportional to 26,702.17, 40,061.28 and 7,982.81

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Solution

The fourth proportional to 26,702.17, 40,061.28 and 7,982.81 is: 11,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,702.17 : 40,061.28 = 7,982.81 : x
  2. Step 2: Convert to fraction form
    26,702.17/40,061.28 = 7,982.81/x
  3. Step 3: Cross multiply
    26,702.17x = 40,061.28 × 7,982.81
  4. Step 4: Simplify right side
    26,702.17x = 319,801,686.75
  5. Step 5: Solve for x
    x = 319,801,686.75/26,702.17
  6. Step 6: Final answer
    x = 11,976.62

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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.