Home / 29,188.08-40,289.40-20,247.44

Finding the Fourth Proportional to 29,188.08, 40,289.40 and 20,247.44

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Solution

The fourth proportional to 29,188.08, 40,289.40 and 20,247.44 is: 27,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.08 : 40,289.40 = 20,247.44 : x
  2. Step 2: Convert to fraction form
    29,188.08/40,289.40 = 20,247.44/x
  3. Step 3: Cross multiply
    29,188.08x = 40,289.40 × 20,247.44
  4. Step 4: Simplify right side
    29,188.08x = 815,757,007.69
  5. Step 5: Solve for x
    x = 815,757,007.69/29,188.08
  6. Step 6: Final answer
    x = 27,948.29

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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.