Home / 26,682.50-40,018.88-11,888.66

Finding the Fourth Proportional to 26,682.50, 40,018.88 and 11,888.66

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Solution

The fourth proportional to 26,682.50, 40,018.88 and 11,888.66 is: 17,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,682.50 : 40,018.88 = 11,888.66 : x
  2. Step 2: Convert to fraction form
    26,682.50/40,018.88 = 11,888.66/x
  3. Step 3: Cross multiply
    26,682.50x = 40,018.88 × 11,888.66
  4. Step 4: Simplify right side
    26,682.50x = 475,770,598.36
  5. Step 5: Solve for x
    x = 475,770,598.36/26,682.50
  6. Step 6: Final answer
    x = 17,830.81

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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.