Home / 25,725.47-38,588.31-9,083.60

Finding the Fourth Proportional to 25,725.47, 38,588.31 and 9,083.60

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Solution

The fourth proportional to 25,725.47, 38,588.31 and 9,083.60 is: 13,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.47 : 38,588.31 = 9,083.60 : x
  2. Step 2: Convert to fraction form
    25,725.47/38,588.31 = 9,083.60/x
  3. Step 3: Cross multiply
    25,725.47x = 38,588.31 × 9,083.60
  4. Step 4: Simplify right side
    25,725.47x = 350,520,772.72
  5. Step 5: Solve for x
    x = 350,520,772.72/25,725.47
  6. Step 6: Final answer
    x = 13,625.44

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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.