Home / 22,052.55-33,121.38-18,897.15

Finding the Fourth Proportional to 22,052.55, 33,121.38 and 18,897.15

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Solution

The fourth proportional to 22,052.55, 33,121.38 and 18,897.15 is: 28,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.55 : 33,121.38 = 18,897.15 : x
  2. Step 2: Convert to fraction form
    22,052.55/33,121.38 = 18,897.15/x
  3. Step 3: Cross multiply
    22,052.55x = 33,121.38 × 18,897.15
  4. Step 4: Simplify right side
    22,052.55x = 625,899,473.22
  5. Step 5: Solve for x
    x = 625,899,473.22/22,052.55
  6. Step 6: Final answer
    x = 28,382.18

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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.