Home / 28,846.10-43,273.61-12,206.23

Finding the Fourth Proportional to 28,846.10, 43,273.61 and 12,206.23

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Solution

The fourth proportional to 28,846.10, 43,273.61 and 12,206.23 is: 18,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846.10 : 43,273.61 = 12,206.23 : x
  2. Step 2: Convert to fraction form
    28,846.10/43,273.61 = 12,206.23/x
  3. Step 3: Cross multiply
    28,846.10x = 43,273.61 × 12,206.23
  4. Step 4: Simplify right side
    28,846.10x = 528,207,359.19
  5. Step 5: Solve for x
    x = 528,207,359.19/28,846.10
  6. Step 6: Final answer
    x = 18,311.22

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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.