Home / 28,850.28-43,275.68-12,208.12

Finding the Fourth Proportional to 28,850.28, 43,275.68 and 12,208.12

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Solution

The fourth proportional to 28,850.28, 43,275.68 and 12,208.12 is: 18,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.28 : 43,275.68 = 12,208.12 : x
  2. Step 2: Convert to fraction form
    28,850.28/43,275.68 = 12,208.12/x
  3. Step 3: Cross multiply
    28,850.28x = 43,275.68 × 12,208.12
  4. Step 4: Simplify right side
    28,850.28x = 528,314,694.52
  5. Step 5: Solve for x
    x = 528,314,694.52/28,850.28
  6. Step 6: Final answer
    x = 18,312.29

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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.