Home / 29,121.78-43,688.88-16,647.78

Finding the Fourth Proportional to 29,121.78, 43,688.88 and 16,647.78

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Solution

The fourth proportional to 29,121.78, 43,688.88 and 16,647.78 is: 24,975.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.78 : 43,688.88 = 16,647.78 : x
  2. Step 2: Convert to fraction form
    29,121.78/43,688.88 = 16,647.78/x
  3. Step 3: Cross multiply
    29,121.78x = 43,688.88 × 16,647.78
  4. Step 4: Simplify right side
    29,121.78x = 727,322,862.69
  5. Step 5: Solve for x
    x = 727,322,862.69/29,121.78
  6. Step 6: Final answer
    x = 24,975.22

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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.