Home / 26,785.44-36,965.70-15,456.96

Finding the Fourth Proportional to 26,785.44, 36,965.70 and 15,456.96

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Solution

The fourth proportional to 26,785.44, 36,965.70 and 15,456.96 is: 21,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,785.44 : 36,965.70 = 15,456.96 : x
  2. Step 2: Convert to fraction form
    26,785.44/36,965.70 = 15,456.96/x
  3. Step 3: Cross multiply
    26,785.44x = 36,965.70 × 15,456.96
  4. Step 4: Simplify right side
    26,785.44x = 571,377,346.27
  5. Step 5: Solve for x
    x = 571,377,346.27/26,785.44
  6. Step 6: Final answer
    x = 21,331.64

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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.