Home / 28,839.28-43,260.72-12,196.20

Finding the Fourth Proportional to 28,839.28, 43,260.72 and 12,196.20

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Solution

The fourth proportional to 28,839.28, 43,260.72 and 12,196.20 is: 18,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.28 : 43,260.72 = 12,196.20 : x
  2. Step 2: Convert to fraction form
    28,839.28/43,260.72 = 12,196.20/x
  3. Step 3: Cross multiply
    28,839.28x = 43,260.72 × 12,196.20
  4. Step 4: Simplify right side
    28,839.28x = 527,616,393.26
  5. Step 5: Solve for x
    x = 527,616,393.26/28,839.28
  6. Step 6: Final answer
    x = 18,295.06

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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.