Home / 20,324.80-30,534.04-14,416.36

Finding the Fourth Proportional to 20,324.80, 30,534.04 and 14,416.36

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Solution

The fourth proportional to 20,324.80, 30,534.04 and 14,416.36 is: 21,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.80 : 30,534.04 = 14,416.36 : x
  2. Step 2: Convert to fraction form
    20,324.80/30,534.04 = 14,416.36/x
  3. Step 3: Cross multiply
    20,324.80x = 30,534.04 × 14,416.36
  4. Step 4: Simplify right side
    20,324.80x = 440,189,712.89
  5. Step 5: Solve for x
    x = 440,189,712.89/20,324.80
  6. Step 6: Final answer
    x = 21,657.76

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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.