Home / 22,005.40-33,008.10-19,672.60

Finding the Fourth Proportional to 22,005.40, 33,008.10 and 19,672.60

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Solution

The fourth proportional to 22,005.40, 33,008.10 and 19,672.60 is: 29,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.40 : 33,008.10 = 19,672.60 : x
  2. Step 2: Convert to fraction form
    22,005.40/33,008.10 = 19,672.60/x
  3. Step 3: Cross multiply
    22,005.40x = 33,008.10 × 19,672.60
  4. Step 4: Simplify right side
    22,005.40x = 649,355,148.06
  5. Step 5: Solve for x
    x = 649,355,148.06/22,005.40
  6. Step 6: Final answer
    x = 29,508.90

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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.