Home / 27,135.44-40,633.07-18,727.89

Finding the Fourth Proportional to 27,135.44, 40,633.07 and 18,727.89

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Solution

The fourth proportional to 27,135.44, 40,633.07 and 18,727.89 is: 28,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.44 : 40,633.07 = 18,727.89 : x
  2. Step 2: Convert to fraction form
    27,135.44/40,633.07 = 18,727.89/x
  3. Step 3: Cross multiply
    27,135.44x = 40,633.07 × 18,727.89
  4. Step 4: Simplify right side
    27,135.44x = 760,971,682.98
  5. Step 5: Solve for x
    x = 760,971,682.98/27,135.44
  6. Step 6: Final answer
    x = 28,043.46

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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.