Home / 29,427.50-40,610.11-15,998.87

Finding the Fourth Proportional to 29,427.50, 40,610.11 and 15,998.87

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Solution

The fourth proportional to 29,427.50, 40,610.11 and 15,998.87 is: 22,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427.50 : 40,610.11 = 15,998.87 : x
  2. Step 2: Convert to fraction form
    29,427.50/40,610.11 = 15,998.87/x
  3. Step 3: Cross multiply
    29,427.50x = 40,610.11 × 15,998.87
  4. Step 4: Simplify right side
    29,427.50x = 649,715,733.67
  5. Step 5: Solve for x
    x = 649,715,733.67/29,427.50
  6. Step 6: Final answer
    x = 22,078.52

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1.5x scale

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.