Home / 21,628.42-32,414.36-11,089.50

Finding the Fourth Proportional to 21,628.42, 32,414.36 and 11,089.50

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Solution

The fourth proportional to 21,628.42, 32,414.36 and 11,089.50 is: 16,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,628.42 : 32,414.36 = 11,089.50 : x
  2. Step 2: Convert to fraction form
    21,628.42/32,414.36 = 11,089.50/x
  3. Step 3: Cross multiply
    21,628.42x = 32,414.36 × 11,089.50
  4. Step 4: Simplify right side
    21,628.42x = 359,459,045.22
  5. Step 5: Solve for x
    x = 359,459,045.22/21,628.42
  6. Step 6: Final answer
    x = 16,619.76

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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.