Home / 22,528.80-33,793.20-21,143.70

Finding the Fourth Proportional to 22,528.80, 33,793.20 and 21,143.70

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Solution

The fourth proportional to 22,528.80, 33,793.20 and 21,143.70 is: 31,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,528.80 : 33,793.20 = 21,143.70 : x
  2. Step 2: Convert to fraction form
    22,528.80/33,793.20 = 21,143.70/x
  3. Step 3: Cross multiply
    22,528.80x = 33,793.20 × 21,143.70
  4. Step 4: Simplify right side
    22,528.80x = 714,513,282.84
  5. Step 5: Solve for x
    x = 714,513,282.84/22,528.80
  6. Step 6: Final answer
    x = 31,715.55

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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.