Home / 21,923.14-32,884.72-20,348.50

Finding the Fourth Proportional to 21,923.14, 32,884.72 and 20,348.50

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Solution

The fourth proportional to 21,923.14, 32,884.72 and 20,348.50 is: 30,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.14 : 32,884.72 = 20,348.50 : x
  2. Step 2: Convert to fraction form
    21,923.14/32,884.72 = 20,348.50/x
  3. Step 3: Cross multiply
    21,923.14x = 32,884.72 × 20,348.50
  4. Step 4: Simplify right side
    21,923.14x = 669,154,724.92
  5. Step 5: Solve for x
    x = 669,154,724.92/21,923.14
  6. Step 6: Final answer
    x = 30,522.76

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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.