Home / 20,728.31-31,092.36-5,937.27

Finding the Fourth Proportional to 20,728.31, 31,092.36 and 5,937.27

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Solution

The fourth proportional to 20,728.31, 31,092.36 and 5,937.27 is: 8,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,728.31 : 31,092.36 = 5,937.27 : x
  2. Step 2: Convert to fraction form
    20,728.31/31,092.36 = 5,937.27/x
  3. Step 3: Cross multiply
    20,728.31x = 31,092.36 × 5,937.27
  4. Step 4: Simplify right side
    20,728.31x = 184,603,597.40
  5. Step 5: Solve for x
    x = 184,603,597.40/20,728.31
  6. Step 6: Final answer
    x = 8,905.87

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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.