Home / 20,466.24-30,539.72-18,259.80

Finding the Fourth Proportional to 20,466.24, 30,539.72 and 18,259.80

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Solution

The fourth proportional to 20,466.24, 30,539.72 and 18,259.80 is: 27,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.24 : 30,539.72 = 18,259.80 : x
  2. Step 2: Convert to fraction form
    20,466.24/30,539.72 = 18,259.80/x
  3. Step 3: Cross multiply
    20,466.24x = 30,539.72 × 18,259.80
  4. Step 4: Simplify right side
    20,466.24x = 557,649,179.26
  5. Step 5: Solve for x
    x = 557,649,179.26/20,466.24
  6. Step 6: Final answer
    x = 27,247.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.