Home / 28,889.84-43,336.30-9,169.94

Finding the Fourth Proportional to 28,889.84, 43,336.30 and 9,169.94

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Solution

The fourth proportional to 28,889.84, 43,336.30 and 9,169.94 is: 13,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889.84 : 43,336.30 = 9,169.94 : x
  2. Step 2: Convert to fraction form
    28,889.84/43,336.30 = 9,169.94/x
  3. Step 3: Cross multiply
    28,889.84x = 43,336.30 × 9,169.94
  4. Step 4: Simplify right side
    28,889.84x = 397,391,270.82
  5. Step 5: Solve for x
    x = 397,391,270.82/28,889.84
  6. Step 6: Final answer
    x = 13,755.40

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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.