Home / 25,269.75-34,871.54-13,939.29

Finding the Fourth Proportional to 25,269.75, 34,871.54 and 13,939.29

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Solution

The fourth proportional to 25,269.75, 34,871.54 and 13,939.29 is: 19,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.75 : 34,871.54 = 13,939.29 : x
  2. Step 2: Convert to fraction form
    25,269.75/34,871.54 = 13,939.29/x
  3. Step 3: Cross multiply
    25,269.75x = 34,871.54 × 13,939.29
  4. Step 4: Simplify right side
    25,269.75x = 486,084,439.11
  5. Step 5: Solve for x
    x = 486,084,439.11/25,269.75
  6. Step 6: Final answer
    x = 19,235.82

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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.