Home / 20,729.27-31,094.04-7,576.49

Finding the Fourth Proportional to 20,729.27, 31,094.04 and 7,576.49

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Solution

The fourth proportional to 20,729.27, 31,094.04 and 7,576.49 is: 11,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,729.27 : 31,094.04 = 7,576.49 : x
  2. Step 2: Convert to fraction form
    20,729.27/31,094.04 = 7,576.49/x
  3. Step 3: Cross multiply
    20,729.27x = 31,094.04 × 7,576.49
  4. Step 4: Simplify right side
    20,729.27x = 235,583,683.12
  5. Step 5: Solve for x
    x = 235,583,683.12/20,729.27
  6. Step 6: Final answer
    x = 11,364.78

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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.