Home / 28,664.20-43,012.90-12,022.74

Finding the Fourth Proportional to 28,664.20, 43,012.90 and 12,022.74

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Solution

The fourth proportional to 28,664.20, 43,012.90 and 12,022.74 is: 18,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.20 : 43,012.90 = 12,022.74 : x
  2. Step 2: Convert to fraction form
    28,664.20/43,012.90 = 12,022.74/x
  3. Step 3: Cross multiply
    28,664.20x = 43,012.90 × 12,022.74
  4. Step 4: Simplify right side
    28,664.20x = 517,132,913.35
  5. Step 5: Solve for x
    x = 517,132,913.35/28,664.20
  6. Step 6: Final answer
    x = 18,041.07

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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.