Home / 25,660.38-35,414.40-15,590.46

Finding the Fourth Proportional to 25,660.38, 35,414.40 and 15,590.46

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Solution

The fourth proportional to 25,660.38, 35,414.40 and 15,590.46 is: 21,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,660.38 : 35,414.40 = 15,590.46 : x
  2. Step 2: Convert to fraction form
    25,660.38/35,414.40 = 15,590.46/x
  3. Step 3: Cross multiply
    25,660.38x = 35,414.40 × 15,590.46
  4. Step 4: Simplify right side
    25,660.38x = 552,126,786.62
  5. Step 5: Solve for x
    x = 552,126,786.62/25,660.38
  6. Step 6: Final answer
    x = 21,516.70

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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.