Home / 26,626.21-36,717.92-20,655.70

Finding the Fourth Proportional to 26,626.21, 36,717.92 and 20,655.70

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Solution

The fourth proportional to 26,626.21, 36,717.92 and 20,655.70 is: 28,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,626.21 : 36,717.92 = 20,655.70 : x
  2. Step 2: Convert to fraction form
    26,626.21/36,717.92 = 20,655.70/x
  3. Step 3: Cross multiply
    26,626.21x = 36,717.92 × 20,655.70
  4. Step 4: Simplify right side
    26,626.21x = 758,434,340.14
  5. Step 5: Solve for x
    x = 758,434,340.14/26,626.21
  6. Step 6: Final answer
    x = 28,484.50

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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.