Home / 28,725.73-39,625.29-17,237.68

Finding the Fourth Proportional to 28,725.73, 39,625.29 and 17,237.68

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Solution

The fourth proportional to 28,725.73, 39,625.29 and 17,237.68 is: 23,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.73 : 39,625.29 = 17,237.68 : x
  2. Step 2: Convert to fraction form
    28,725.73/39,625.29 = 17,237.68/x
  3. Step 3: Cross multiply
    28,725.73x = 39,625.29 × 17,237.68
  4. Step 4: Simplify right side
    28,725.73x = 683,047,969.86
  5. Step 5: Solve for x
    x = 683,047,969.86/28,725.73
  6. Step 6: Final answer
    x = 23,778.27

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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.