Home / 20,325.01-28,045.83-11,371.54

Finding the Fourth Proportional to 20,325.01, 28,045.83 and 11,371.54

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Solution

The fourth proportional to 20,325.01, 28,045.83 and 11,371.54 is: 15,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.01 : 28,045.83 = 11,371.54 : x
  2. Step 2: Convert to fraction form
    20,325.01/28,045.83 = 11,371.54/x
  3. Step 3: Cross multiply
    20,325.01x = 28,045.83 × 11,371.54
  4. Step 4: Simplify right side
    20,325.01x = 318,924,277.68
  5. Step 5: Solve for x
    x = 318,924,277.68/20,325.01
  6. Step 6: Final answer
    x = 15,691.22

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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.