Home / 20,022.36-30,042.90-8,927.88

Finding the Fourth Proportional to 20,022.36, 30,042.90 and 8,927.88

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Solution

The fourth proportional to 20,022.36, 30,042.90 and 8,927.88 is: 13,395.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.36 : 30,042.90 = 8,927.88 : x
  2. Step 2: Convert to fraction form
    20,022.36/30,042.90 = 8,927.88/x
  3. Step 3: Cross multiply
    20,022.36x = 30,042.90 × 8,927.88
  4. Step 4: Simplify right side
    20,022.36x = 268,219,406.05
  5. Step 5: Solve for x
    x = 268,219,406.05/20,022.36
  6. Step 6: Final answer
    x = 13,395.99

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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.