Home / 26,686.36-40,015.95-8,910.64

Finding the Fourth Proportional to 26,686.36, 40,015.95 and 8,910.64

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Solution

The fourth proportional to 26,686.36, 40,015.95 and 8,910.64 is: 13,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.36 : 40,015.95 = 8,910.64 : x
  2. Step 2: Convert to fraction form
    26,686.36/40,015.95 = 8,910.64/x
  3. Step 3: Cross multiply
    26,686.36x = 40,015.95 × 8,910.64
  4. Step 4: Simplify right side
    26,686.36x = 356,567,724.71
  5. Step 5: Solve for x
    x = 356,567,724.71/26,686.36
  6. Step 6: Final answer
    x = 13,361.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.