Home / 28,884.70-43,327.05-8,108.20

Finding the Fourth Proportional to 28,884.70, 43,327.05 and 8,108.20

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Solution

The fourth proportional to 28,884.70, 43,327.05 and 8,108.20 is: 12,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.70 : 43,327.05 = 8,108.20 : x
  2. Step 2: Convert to fraction form
    28,884.70/43,327.05 = 8,108.20/x
  3. Step 3: Cross multiply
    28,884.70x = 43,327.05 × 8,108.20
  4. Step 4: Simplify right side
    28,884.70x = 351,304,386.81
  5. Step 5: Solve for x
    x = 351,304,386.81/28,884.70
  6. Step 6: Final answer
    x = 12,162.30

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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.