Home / 28,991.28-40,002.48-27,514.92

Finding the Fourth Proportional to 28,991.28, 40,002.48 and 27,514.92

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Solution

The fourth proportional to 28,991.28, 40,002.48 and 27,514.92 is: 37,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.28 : 40,002.48 = 27,514.92 : x
  2. Step 2: Convert to fraction form
    28,991.28/40,002.48 = 27,514.92/x
  3. Step 3: Cross multiply
    28,991.28x = 40,002.48 × 27,514.92
  4. Step 4: Simplify right side
    28,991.28x = 1,100,665,037.00
  5. Step 5: Solve for x
    x = 1,100,665,037.00/28,991.28
  6. Step 6: Final answer
    x = 37,965.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.