Home / 28,884.15-43,329.60-9,164.70

Finding the Fourth Proportional to 28,884.15, 43,329.60 and 9,164.70

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Solution

The fourth proportional to 28,884.15, 43,329.60 and 9,164.70 is: 13,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.15 : 43,329.60 = 9,164.70 : x
  2. Step 2: Convert to fraction form
    28,884.15/43,329.60 = 9,164.70/x
  3. Step 3: Cross multiply
    28,884.15x = 43,329.60 × 9,164.70
  4. Step 4: Simplify right side
    28,884.15x = 397,102,785.12
  5. Step 5: Solve for x
    x = 397,102,785.12/28,884.15
  6. Step 6: Final answer
    x = 13,748.12

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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.