Home / 26,169.21-36,118.14-15,414.66

Finding the Fourth Proportional to 26,169.21, 36,118.14 and 15,414.66

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Solution

The fourth proportional to 26,169.21, 36,118.14 and 15,414.66 is: 21,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.21 : 36,118.14 = 15,414.66 : x
  2. Step 2: Convert to fraction form
    26,169.21/36,118.14 = 15,414.66/x
  3. Step 3: Cross multiply
    26,169.21x = 36,118.14 × 15,414.66
  4. Step 4: Simplify right side
    26,169.21x = 556,748,847.93
  5. Step 5: Solve for x
    x = 556,748,847.93/26,169.21
  6. Step 6: Final answer
    x = 21,274.96

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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.