Home / 26,978.18-37,234.76-16,915.35

Finding the Fourth Proportional to 26,978.18, 37,234.76 and 16,915.35

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Solution

The fourth proportional to 26,978.18, 37,234.76 and 16,915.35 is: 23,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,978.18 : 37,234.76 = 16,915.35 : x
  2. Step 2: Convert to fraction form
    26,978.18/37,234.76 = 16,915.35/x
  3. Step 3: Cross multiply
    26,978.18x = 37,234.76 × 16,915.35
  4. Step 4: Simplify right side
    26,978.18x = 629,838,997.57
  5. Step 5: Solve for x
    x = 629,838,997.57/26,978.18
  6. Step 6: Final answer
    x = 23,346.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.