Home / 27,331.47-40,997.21-7,610.55

Finding the Fourth Proportional to 27,331.47, 40,997.21 and 7,610.55

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Solution

The fourth proportional to 27,331.47, 40,997.21 and 7,610.55 is: 11,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.47 : 40,997.21 = 7,610.55 : x
  2. Step 2: Convert to fraction form
    27,331.47/40,997.21 = 7,610.55/x
  3. Step 3: Cross multiply
    27,331.47x = 40,997.21 × 7,610.55
  4. Step 4: Simplify right side
    27,331.47x = 312,011,316.57
  5. Step 5: Solve for x
    x = 312,011,316.57/27,331.47
  6. Step 6: Final answer
    x = 11,415.83

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1.5x scale

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.