Home / 20,004.40-29,933.70-18,254.80

Finding the Fourth Proportional to 20,004.40, 29,933.70 and 18,254.80

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Solution

The fourth proportional to 20,004.40, 29,933.70 and 18,254.80 is: 27,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.40 : 29,933.70 = 18,254.80 : x
  2. Step 2: Convert to fraction form
    20,004.40/29,933.70 = 18,254.80/x
  3. Step 3: Cross multiply
    20,004.40x = 29,933.70 × 18,254.80
  4. Step 4: Simplify right side
    20,004.40x = 546,433,706.76
  5. Step 5: Solve for x
    x = 546,433,706.76/20,004.40
  6. Step 6: Final answer
    x = 27,315.68

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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.