Home / 28,891.97-43,278.26-17,009.13

Finding the Fourth Proportional to 28,891.97, 43,278.26 and 17,009.13

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Solution

The fourth proportional to 28,891.97, 43,278.26 and 17,009.13 is: 25,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.97 : 43,278.26 = 17,009.13 : x
  2. Step 2: Convert to fraction form
    28,891.97/43,278.26 = 17,009.13/x
  3. Step 3: Cross multiply
    28,891.97x = 43,278.26 × 17,009.13
  4. Step 4: Simplify right side
    28,891.97x = 736,125,550.51
  5. Step 5: Solve for x
    x = 736,125,550.51/28,891.97
  6. Step 6: Final answer
    x = 25,478.55

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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.