Home / 22,215.60-33,323.40-18,716.40

Finding the Fourth Proportional to 22,215.60, 33,323.40 and 18,716.40

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Solution

The fourth proportional to 22,215.60, 33,323.40 and 18,716.40 is: 28,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,215.60 : 33,323.40 = 18,716.40 : x
  2. Step 2: Convert to fraction form
    22,215.60/33,323.40 = 18,716.40/x
  3. Step 3: Cross multiply
    22,215.60x = 33,323.40 × 18,716.40
  4. Step 4: Simplify right side
    22,215.60x = 623,694,083.76
  5. Step 5: Solve for x
    x = 623,694,083.76/22,215.60
  6. Step 6: Final answer
    x = 28,074.60

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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.