Home / 28,893.60-43,344.45-9,170.10

Finding the Fourth Proportional to 28,893.60, 43,344.45 and 9,170.10

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Solution

The fourth proportional to 28,893.60, 43,344.45 and 9,170.10 is: 13,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.60 : 43,344.45 = 9,170.10 : x
  2. Step 2: Convert to fraction form
    28,893.60/43,344.45 = 9,170.10/x
  3. Step 3: Cross multiply
    28,893.60x = 43,344.45 × 9,170.10
  4. Step 4: Simplify right side
    28,893.60x = 397,472,940.95
  5. Step 5: Solve for x
    x = 397,472,940.95/28,893.60
  6. Step 6: Final answer
    x = 13,756.44

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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.