Home / 26,820.28-40,237.69-8,100.93

Finding the Fourth Proportional to 26,820.28, 40,237.69 and 8,100.93

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Solution

The fourth proportional to 26,820.28, 40,237.69 and 8,100.93 is: 12,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.28 : 40,237.69 = 8,100.93 : x
  2. Step 2: Convert to fraction form
    26,820.28/40,237.69 = 8,100.93/x
  3. Step 3: Cross multiply
    26,820.28x = 40,237.69 × 8,100.93
  4. Step 4: Simplify right side
    26,820.28x = 325,962,710.05
  5. Step 5: Solve for x
    x = 325,962,710.05/26,820.28
  6. Step 6: Final answer
    x = 12,153.59

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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.