Home / 27,820.72-41,733.64-9,100.86

Finding the Fourth Proportional to 27,820.72, 41,733.64 and 9,100.86

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Solution

The fourth proportional to 27,820.72, 41,733.64 and 9,100.86 is: 13,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.72 : 41,733.64 = 9,100.86 : x
  2. Step 2: Convert to fraction form
    27,820.72/41,733.64 = 9,100.86/x
  3. Step 3: Cross multiply
    27,820.72x = 41,733.64 × 9,100.86
  4. Step 4: Simplify right side
    27,820.72x = 379,812,014.93
  5. Step 5: Solve for x
    x = 379,812,014.93/27,820.72
  6. Step 6: Final answer
    x = 13,652.13

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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.