Home / 26,392.06-36,399.81-20,439.82

Finding the Fourth Proportional to 26,392.06, 36,399.81 and 20,439.82

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Solution

The fourth proportional to 26,392.06, 36,399.81 and 20,439.82 is: 28,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,392.06 : 36,399.81 = 20,439.82 : x
  2. Step 2: Convert to fraction form
    26,392.06/36,399.81 = 20,439.82/x
  3. Step 3: Cross multiply
    26,392.06x = 36,399.81 × 20,439.82
  4. Step 4: Simplify right side
    26,392.06x = 744,005,564.43
  5. Step 5: Solve for x
    x = 744,005,564.43/26,392.06
  6. Step 6: Final answer
    x = 28,190.51

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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.