Home / 28,577.58-39,456.32-17,838.80

Finding the Fourth Proportional to 28,577.58, 39,456.32 and 17,838.80

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Solution

The fourth proportional to 28,577.58, 39,456.32 and 17,838.80 is: 24,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.58 : 39,456.32 = 17,838.80 : x
  2. Step 2: Convert to fraction form
    28,577.58/39,456.32 = 17,838.80/x
  3. Step 3: Cross multiply
    28,577.58x = 39,456.32 × 17,838.80
  4. Step 4: Simplify right side
    28,577.58x = 703,853,410.66
  5. Step 5: Solve for x
    x = 703,853,410.66/28,577.58
  6. Step 6: Final answer
    x = 24,629.57

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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.