Home / 28,048.64-38,716.80-17,447.36

Finding the Fourth Proportional to 28,048.64, 38,716.80 and 17,447.36

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Solution

The fourth proportional to 28,048.64, 38,716.80 and 17,447.36 is: 24,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.64 : 38,716.80 = 17,447.36 : x
  2. Step 2: Convert to fraction form
    28,048.64/38,716.80 = 17,447.36/x
  3. Step 3: Cross multiply
    28,048.64x = 38,716.80 × 17,447.36
  4. Step 4: Simplify right side
    28,048.64x = 675,505,947.65
  5. Step 5: Solve for x
    x = 675,505,947.65/28,048.64
  6. Step 6: Final answer
    x = 24,083.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.