Home / 28,988.77-43,481.79-10,268.51

Finding the Fourth Proportional to 28,988.77, 43,481.79 and 10,268.51

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Solution

The fourth proportional to 28,988.77, 43,481.79 and 10,268.51 is: 15,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.77 : 43,481.79 = 10,268.51 : x
  2. Step 2: Convert to fraction form
    28,988.77/43,481.79 = 10,268.51/x
  3. Step 3: Cross multiply
    28,988.77x = 43,481.79 × 10,268.51
  4. Step 4: Simplify right side
    28,988.77x = 446,493,195.43
  5. Step 5: Solve for x
    x = 446,493,195.43/28,988.77
  6. Step 6: Final answer
    x = 15,402.28

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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.