Home / 21,129.46-31,694.49-10,037.27

Finding the Fourth Proportional to 21,129.46, 31,694.49 and 10,037.27

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Solution

The fourth proportional to 21,129.46, 31,694.49 and 10,037.27 is: 15,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,129.46 : 31,694.49 = 10,037.27 : x
  2. Step 2: Convert to fraction form
    21,129.46/31,694.49 = 10,037.27/x
  3. Step 3: Cross multiply
    21,129.46x = 31,694.49 × 10,037.27
  4. Step 4: Simplify right side
    21,129.46x = 318,126,054.60
  5. Step 5: Solve for x
    x = 318,126,054.60/21,129.46
  6. Step 6: Final answer
    x = 15,056.04

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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.