Home / 28,895.07-39,853.80-18,274.44

Finding the Fourth Proportional to 28,895.07, 39,853.80 and 18,274.44

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Solution

The fourth proportional to 28,895.07, 39,853.80 and 18,274.44 is: 25,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.07 : 39,853.80 = 18,274.44 : x
  2. Step 2: Convert to fraction form
    28,895.07/39,853.80 = 18,274.44/x
  3. Step 3: Cross multiply
    28,895.07x = 39,853.80 × 18,274.44
  4. Step 4: Simplify right side
    28,895.07x = 728,305,876.87
  5. Step 5: Solve for x
    x = 728,305,876.87/28,895.07
  6. Step 6: Final answer
    x = 25,205.20

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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.