Home / 28,190.43-42,318.45-22,373.01

Finding the Fourth Proportional to 28,190.43, 42,318.45 and 22,373.01

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Solution

The fourth proportional to 28,190.43, 42,318.45 and 22,373.01 is: 33,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190.43 : 42,318.45 = 22,373.01 : x
  2. Step 2: Convert to fraction form
    28,190.43/42,318.45 = 22,373.01/x
  3. Step 3: Cross multiply
    28,190.43x = 42,318.45 × 22,373.01
  4. Step 4: Simplify right side
    28,190.43x = 946,791,105.03
  5. Step 5: Solve for x
    x = 946,791,105.03/28,190.43
  6. Step 6: Final answer
    x = 33,585.55

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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.