Home / 28,887.68-43,329.60-11,360.48

Finding the Fourth Proportional to 28,887.68, 43,329.60 and 11,360.48

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Solution

The fourth proportional to 28,887.68, 43,329.60 and 11,360.48 is: 17,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.68 : 43,329.60 = 11,360.48 : x
  2. Step 2: Convert to fraction form
    28,887.68/43,329.60 = 11,360.48/x
  3. Step 3: Cross multiply
    28,887.68x = 43,329.60 × 11,360.48
  4. Step 4: Simplify right side
    28,887.68x = 492,245,054.21
  5. Step 5: Solve for x
    x = 492,245,054.21/28,887.68
  6. Step 6: Final answer
    x = 17,039.96

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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.