Home / 31,828.21-47,669.64-15,199.96

Finding the Fourth Proportional to 31,828.21, 47,669.64 and 15,199.96

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Solution

The fourth proportional to 31,828.21, 47,669.64 and 15,199.96 is: 22,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.21 : 47,669.64 = 15,199.96 : x
  2. Step 2: Convert to fraction form
    31,828.21/47,669.64 = 15,199.96/x
  3. Step 3: Cross multiply
    31,828.21x = 47,669.64 × 15,199.96
  4. Step 4: Simplify right side
    31,828.21x = 724,576,621.21
  5. Step 5: Solve for x
    x = 724,576,621.21/31,828.21
  6. Step 6: Final answer
    x = 22,765.23

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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.