Home / 26,811.72-40,218.05-9,282.11

Finding the Fourth Proportional to 26,811.72, 40,218.05 and 9,282.11

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Solution

The fourth proportional to 26,811.72, 40,218.05 and 9,282.11 is: 13,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811.72 : 40,218.05 = 9,282.11 : x
  2. Step 2: Convert to fraction form
    26,811.72/40,218.05 = 9,282.11/x
  3. Step 3: Cross multiply
    26,811.72x = 40,218.05 × 9,282.11
  4. Step 4: Simplify right side
    26,811.72x = 373,308,186.20
  5. Step 5: Solve for x
    x = 373,308,186.20/26,811.72
  6. Step 6: Final answer
    x = 13,923.32

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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.