Home / 28,648.80-39,625.20-25,336.80

Finding the Fourth Proportional to 28,648.80, 39,625.20 and 25,336.80

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Solution

The fourth proportional to 28,648.80, 39,625.20 and 25,336.80 is: 35,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648.80 : 39,625.20 = 25,336.80 : x
  2. Step 2: Convert to fraction form
    28,648.80/39,625.20 = 25,336.80/x
  3. Step 3: Cross multiply
    28,648.80x = 39,625.20 × 25,336.80
  4. Step 4: Simplify right side
    28,648.80x = 1,003,975,767.36
  5. Step 5: Solve for x
    x = 1,003,975,767.36/28,648.80
  6. Step 6: Final answer
    x = 35,044.25

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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.