Home / 28,659.12-42,755.96-27,109.04

Finding the Fourth Proportional to 28,659.12, 42,755.96 and 27,109.04

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Solution

The fourth proportional to 28,659.12, 42,755.96 and 27,109.04 is: 40,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.12 : 42,755.96 = 27,109.04 : x
  2. Step 2: Convert to fraction form
    28,659.12/42,755.96 = 27,109.04/x
  3. Step 3: Cross multiply
    28,659.12x = 42,755.96 × 27,109.04
  4. Step 4: Simplify right side
    28,659.12x = 1,159,073,029.88
  5. Step 5: Solve for x
    x = 1,159,073,029.88/28,659.12
  6. Step 6: Final answer
    x = 40,443.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.