Home / 26,859.42-40,289.27-9,090.25

Finding the Fourth Proportional to 26,859.42, 40,289.27 and 9,090.25

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Solution

The fourth proportional to 26,859.42, 40,289.27 and 9,090.25 is: 13,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.42 : 40,289.27 = 9,090.25 : x
  2. Step 2: Convert to fraction form
    26,859.42/40,289.27 = 9,090.25/x
  3. Step 3: Cross multiply
    26,859.42x = 40,289.27 × 9,090.25
  4. Step 4: Simplify right side
    26,859.42x = 366,239,390.44
  5. Step 5: Solve for x
    x = 366,239,390.44/26,859.42
  6. Step 6: Final answer
    x = 13,635.42

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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.