Home / 28,897.46-43,351.57-9,170.70

Finding the Fourth Proportional to 28,897.46, 43,351.57 and 9,170.70

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Solution

The fourth proportional to 28,897.46, 43,351.57 and 9,170.70 is: 13,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.46 : 43,351.57 = 9,170.70 : x
  2. Step 2: Convert to fraction form
    28,897.46/43,351.57 = 9,170.70/x
  3. Step 3: Cross multiply
    28,897.46x = 43,351.57 × 9,170.70
  4. Step 4: Simplify right side
    28,897.46x = 397,564,243.00
  5. Step 5: Solve for x
    x = 397,564,243.00/28,897.46
  6. Step 6: Final answer
    x = 13,757.76

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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.