Home / 21,404.55-32,106.83-14,406.15

Finding the Fourth Proportional to 21,404.55, 32,106.83 and 14,406.15

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Solution

The fourth proportional to 21,404.55, 32,106.83 and 14,406.15 is: 21,609.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404.55 : 32,106.83 = 14,406.15 : x
  2. Step 2: Convert to fraction form
    21,404.55/32,106.83 = 14,406.15/x
  3. Step 3: Cross multiply
    21,404.55x = 32,106.83 × 14,406.15
  4. Step 4: Simplify right side
    21,404.55x = 462,535,736.97
  5. Step 5: Solve for x
    x = 462,535,736.97/21,404.55
  6. Step 6: Final answer
    x = 21,609.23

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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.