Home / 22,176.90-33,265.35-21,812.40

Finding the Fourth Proportional to 22,176.90, 33,265.35 and 21,812.40

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Solution

The fourth proportional to 22,176.90, 33,265.35 and 21,812.40 is: 32,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.90 : 33,265.35 = 21,812.40 : x
  2. Step 2: Convert to fraction form
    22,176.90/33,265.35 = 21,812.40/x
  3. Step 3: Cross multiply
    22,176.90x = 33,265.35 × 21,812.40
  4. Step 4: Simplify right side
    22,176.90x = 725,597,120.34
  5. Step 5: Solve for x
    x = 725,597,120.34/22,176.90
  6. Step 6: Final answer
    x = 32,718.60

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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.