Home / 26,816.78-40,223.15-11,017.51

Finding the Fourth Proportional to 26,816.78, 40,223.15 and 11,017.51

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Solution

The fourth proportional to 26,816.78, 40,223.15 and 11,017.51 is: 16,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,816.78 : 40,223.15 = 11,017.51 : x
  2. Step 2: Convert to fraction form
    26,816.78/40,223.15 = 11,017.51/x
  3. Step 3: Cross multiply
    26,816.78x = 40,223.15 × 11,017.51
  4. Step 4: Simplify right side
    26,816.78x = 443,158,701.15
  5. Step 5: Solve for x
    x = 443,158,701.15/26,816.78
  6. Step 6: Final answer
    x = 16,525.43

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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.