Home / 26,157.28-36,100.16-15,546.96

Finding the Fourth Proportional to 26,157.28, 36,100.16 and 15,546.96

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Solution

The fourth proportional to 26,157.28, 36,100.16 and 15,546.96 is: 21,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,157.28 : 36,100.16 = 15,546.96 : x
  2. Step 2: Convert to fraction form
    26,157.28/36,100.16 = 15,546.96/x
  3. Step 3: Cross multiply
    26,157.28x = 36,100.16 × 15,546.96
  4. Step 4: Simplify right side
    26,157.28x = 561,247,743.51
  5. Step 5: Solve for x
    x = 561,247,743.51/26,157.28
  6. Step 6: Final answer
    x = 21,456.66

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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.