Home / 28,876.44-43,320.06-9,149.70

Finding the Fourth Proportional to 28,876.44, 43,320.06 and 9,149.70

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Solution

The fourth proportional to 28,876.44, 43,320.06 and 9,149.70 is: 13,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.44 : 43,320.06 = 9,149.70 : x
  2. Step 2: Convert to fraction form
    28,876.44/43,320.06 = 9,149.70/x
  3. Step 3: Cross multiply
    28,876.44x = 43,320.06 × 9,149.70
  4. Step 4: Simplify right side
    28,876.44x = 396,365,552.98
  5. Step 5: Solve for x
    x = 396,365,552.98/28,876.44
  6. Step 6: Final answer
    x = 13,726.26

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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.