Home / 28,972.12-43,460.70-8,195.80

Finding the Fourth Proportional to 28,972.12, 43,460.70 and 8,195.80

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Solution

The fourth proportional to 28,972.12, 43,460.70 and 8,195.80 is: 12,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.12 : 43,460.70 = 8,195.80 : x
  2. Step 2: Convert to fraction form
    28,972.12/43,460.70 = 8,195.80/x
  3. Step 3: Cross multiply
    28,972.12x = 43,460.70 × 8,195.80
  4. Step 4: Simplify right side
    28,972.12x = 356,195,205.06
  5. Step 5: Solve for x
    x = 356,195,205.06/28,972.12
  6. Step 6: Final answer
    x = 12,294.41

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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.