Home / 22,237.20-33,355.80-21,459.60

Finding the Fourth Proportional to 22,237.20, 33,355.80 and 21,459.60

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Solution

The fourth proportional to 22,237.20, 33,355.80 and 21,459.60 is: 32,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.20 : 33,355.80 = 21,459.60 : x
  2. Step 2: Convert to fraction form
    22,237.20/33,355.80 = 21,459.60/x
  3. Step 3: Cross multiply
    22,237.20x = 33,355.80 × 21,459.60
  4. Step 4: Simplify right side
    22,237.20x = 715,802,125.68
  5. Step 5: Solve for x
    x = 715,802,125.68/22,237.20
  6. Step 6: Final answer
    x = 32,189.40

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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.