Home / 25,728.39-35,504.82-14,397.69

Finding the Fourth Proportional to 25,728.39, 35,504.82 and 14,397.69

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Solution

The fourth proportional to 25,728.39, 35,504.82 and 14,397.69 is: 19,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.39 : 35,504.82 = 14,397.69 : x
  2. Step 2: Convert to fraction form
    25,728.39/35,504.82 = 14,397.69/x
  3. Step 3: Cross multiply
    25,728.39x = 35,504.82 × 14,397.69
  4. Step 4: Simplify right side
    25,728.39x = 511,187,391.87
  5. Step 5: Solve for x
    x = 511,187,391.87/25,728.39
  6. Step 6: Final answer
    x = 19,868.61

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Half scale
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Double scale
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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.